World Of Change

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name = "topicID" id = "topicID" value = "#variables.topicID#" /> <div class = "container-fluid landing-container content-landing-container article-landing-container"> <div class = "container container-mobile-fluid"> <div class = "row landing-filters-row"> <div class = "col-xs-12"> <h1 class = "landing-header">World Of Change</h1> </div> </div> <div id = "landing-cards"> <div class = "row thumbnail-cards landing-cards first-landing-cards"> <div class = "col-sm-5 col-xs-12 masonry-item card1" data-tags = "water snowice" data-date = "Updated Mar 27, 2025"> <div class = "thumbnail" data-href = "/world-of-change/sea-ice-antarctic"> <div class = "thumbnail-image thumbnail-image-no-padding"><a href="/world-of-change/sea-ice-antarctic"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39145/antarctic_nsidc_2021_th.jpg" alt = "World of Change: Antarctic Sea Ice" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Mar 27, 2025</span> <h4>World of Change: Antarctic Sea Ice</h4> <p>Ice has more room to expand around the continent in winter. But it also stretches into warmer latitudes, leading to more melting in summer.</p> <p class = "btn-tag-group"> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/snow-and-ice" class = "btn btn-tag hvr-rectangle-in btn-xs btn-snowice">Snow and Ice</a> </p> </div> </div> </div> <div class = "col-sm-7 col-xs-12 masonry-item card2" data-tags = "snowice" data-date = "Updated Sep 9, 2024"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-top" data-href = "/WorldOfChange/ColumbiaGlacier"> <div class = "thumbnail-image"><a href="/WorldOfChange/ColumbiaGlacier"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/77000/77942/columbia_tm5_2011150_front.jpg" alt = "World of Change: Columbia Glacier, Alaska" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Sep 9, 2024</span> <h4>World of Change: Columbia Glacier, Alaska</h4> <p>Since 1980, the volume of this glacier that spills into the Prince William Sound has shrunk by half. Climate change may have nudged the process along, but mechanical forces have played the largest role in the ice loss.</p> <p class = "btn-tag-group"> <a href = "/topic/snow-and-ice" class = "btn btn-tag hvr-rectangle-in btn-xs btn-snowice">Snow and Ice</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-5 col-xs-12 masonry-item card3" data-tags = "water snowice" data-date = "Updated Apr 11, 2024"> <div class = "thumbnail thumbnail-horizontal" data-href = "/WorldOfChange/SierraNevada"> <div class = "thumbnail-image"><a href="/WorldOfChange/SierraNevada"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/86000/86854/sierranevada_tmo_2017093_tn.jpg" alt = "World of Change: Snowpack in the Sierra Nevada" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Apr 11, 2024</span> <h4>World of Change: Snowpack in the Sierra Nevada</h4> <p>Wet and dry years cause the snow cover to fluctuate.</p> <p class = "btn-tag-group"> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/snow-and-ice" class = "btn btn-tag hvr-rectangle-in btn-xs btn-snowice">Snow and Ice</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card4" data-tags = "atmosphere heat land water human" data-date = "Updated Jan 13, 2022"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-bottom" data-href = "/world-of-change/global-temperatures"> <div class = "thumbnail-image"><a href="/world-of-change/global-temperatures"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/47000/47632/global_gis_2019_th.png" alt = "World of Change: Global Temperatures" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jan 13, 2022</span> <h4>World of Change: Global Temperatures</h4> <p>The average global temperature has increased by a little more than 1° Celsius (2° Fahrenheit) since 1880. Two-thirds of the warming has occurred since 1975.</p> <p class = "btn-tag-group"> <a href = "/topic/atmosphere" class = "btn btn-tag hvr-rectangle-in btn-xs btn-atmosphere">Atmosphere</a> <a href = "/topic/heat" class = "btn btn-tag hvr-rectangle-in btn-xs btn-heat">Heat</a> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card5" data-tags = "land" data-date = "Updated Jun 11, 2021"> <div class = "thumbnail" data-href = "/WorldOfChange/LakePowell"> <div class = "thumbnail-image"><a href="/WorldOfChange/LakePowell"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39140/lakepowell_20150414_tn.jpg" alt = "World of Change: Water Level in Lake Powell" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jun 11, 2021</span> <h4>World of Change: Water Level in Lake Powell</h4> <p>Combined with human demands, a multi-year drought in the Upper Colorado River Basin caused a dramatic drop in Lake Powell. Wet and dry seasons lead to annual fluctuations, but the massive reservoir is still mostly below capacity.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> </p> </div> </div> </div> </div><div class = "row thumbnail-cards landing-cards full-landing-cards"> <div class = "col-sm-5 col-xs-12 masonry-item card1" data-tags = "water snowice" data-date = "Updated Apr 28, 2021"> <div class = "thumbnail" data-href = "/world-of-change/sea-ice-arctic"> <div class = "thumbnail-image thumbnail-image-no-padding"><a href="/world-of-change/sea-ice-arctic"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39143/arctic_nsidc_2021_th.jpg" alt = "World of Change: Arctic Sea Ice" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Apr 28, 2021</span> <h4>World of Change: Arctic Sea Ice</h4> <p>Several record-setting summer lows, combined with poor wintertime recoveries, have fueled a persistent decline over the past few decades.</p> <p class = "btn-tag-group"> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/snow-and-ice" class = "btn btn-tag hvr-rectangle-in btn-xs btn-snowice">Snow and Ice</a> </p> </div> </div> </div> <div class = "col-sm-7 col-xs-12 masonry-item card2" data-tags = "land human" data-date = "Updated Mar 23, 2021"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-top" data-href = "/WorldOfChange/YellowRiver"> <div class = "thumbnail-image"><a href="/WorldOfChange/YellowRiver"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/42000/42437/yellowriver_oli_2020298_front.jpg" alt = "World of Change: Yellow River Delta" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Mar 23, 2021</span> <h4>World of Change: Yellow River Delta</h4> <p>Once free to wander up and down the coast of the North China Plain, the Yellow River Delta has been shaped by levees, canals, and jetties in recent decades.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-5 col-xs-12 masonry-item card3" data-tags = "land water human" data-date = "Updated Sep 15, 2020"> <div class = "thumbnail thumbnail-horizontal" data-href = "/WorldOfChange/CapeCod"> <div class = "thumbnail-image"><a href="/WorldOfChange/CapeCod"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/83000/83696/capecod_2013211_tn.jpg" alt = "World of Change: Coastline Change" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Sep 15, 2020</span> <h4>World of Change: Coastline Change</h4> <p>The shoreline of Cape Cod provides a visual case study in the evolution and dynamic motion of barrier islands and spits.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card4" data-tags = "human remotesensing" data-date = "Updated Dec 10, 2019"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-bottom" data-href = "/WorldOfChange/Shanghai"> <div class = "thumbnail-image"><a href="/WorldOfChange/Shanghai"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/89000/89834/shanghai_oli_2014100_tn.jpg" alt = "World of Change: Sprawling Shanghai" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Dec 10, 2019</span> <h4>World of Change: Sprawling Shanghai</h4> <p>If you could go back in time to the 1980s, you would find a city that is drastically different than today’s Shanghai.</p> <p class = "btn-tag-group"> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> <a href = "/topic/remote-sensing" class = "btn btn-tag hvr-rectangle-in btn-xs btn-remotesensing">Remote Sensing</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card5" data-tags = "atmosphere" data-date = "Updated Oct 19, 2019"> <div class = "thumbnail" data-href = "/WorldOfChange/Ozone"> <div class = "thumbnail-image"><a href="/WorldOfChange/Ozone"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39124/ozone_2018_th.png" alt = "World of Change: Antarctic Ozone Hole" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Oct 19, 2019</span> <h4>World of Change: Antarctic Ozone Hole</h4> <p>In the early 1980s, scientists began to realize that CFCs were creating a thin spot—a hole—in the ozone layer over Antarctica every spring. This series of satellite images shows the ozone hole on the day of its maximum depth each year from 1979 through 2019.</p> <p class = "btn-tag-group"> <a href = "/topic/atmosphere" class = "btn btn-tag hvr-rectangle-in btn-xs btn-atmosphere">Atmosphere</a> </p> </div> </div> </div> </div><div class = "row thumbnail-cards landing-cards full-landing-cards"> <div class = "col-sm-5 col-xs-12 masonry-item card1" data-tags = "land" data-date = "Updated Jul 24, 2019"> <div class = "thumbnail" data-href = "/WorldOfChange/Yellowstone"> <div class = "thumbnail-image thumbnail-image-no-padding"><a href="/WorldOfChange/Yellowstone"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39142/yellowstone_19890802_tn.jpg" alt = "World of Change: Burn Recovery in Yellowstone" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jul 24, 2019</span> <h4>World of Change: Burn Recovery in Yellowstone</h4> <p>In 1988, wildfires raced through Yellowstone National Park, consuming hundreds of thousands of acres. This series of Landsat images tracks the landscape’s slow recovery through 2019.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> </p> </div> </div> </div> <div class = "col-sm-7 col-xs-12 masonry-item card2" data-tags = "land human" data-date = "Updated Nov 7, 2018"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-top" data-href = "/WorldOfChange/AralSea"> <div class = "thumbnail-image"><a href="/WorldOfChange/AralSea"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39144/aralsea_tmo_2017232_720x480.jpg" alt = "World of Change: Shrinking Aral Sea" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Nov 7, 2018</span> <h4>World of Change: Shrinking Aral Sea</h4> <p>A massive irrigation project has devastated the Aral Sea over the past 50 years. These images show the decline of the Southern Aral Sea in the past decade, as well as the first steps of recovery in the Northern Aral Sea.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-5 col-xs-12 masonry-item card3" data-tags = "land water remotesensing" data-date = "Updated Jul 31, 2018"> <div class = "thumbnail thumbnail-horizontal" data-href = "/WorldOfChange/PadmaRiver"> <div class = "thumbnail-image"><a href="/WorldOfChange/PadmaRiver"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/92000/92528/padma_oli_2018020_th.jpg" alt = "World of Change: Padma River" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jul 31, 2018</span> <h4>World of Change: Padma River</h4> <p>One of the major rivers of Bangladesh has been growing in size, transforming in shape, and changing in location for decades. Each twist and zigzag of the river tells a different geologic story about the power of erosion.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/remote-sensing" class = "btn btn-tag hvr-rectangle-in btn-xs btn-remotesensing">Remote Sensing</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card4" data-tags = "land water human" data-date = "Updated Nov 16, 2017"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-bottom" data-href = "/WorldOfChange/WaxLake"> <div class = "thumbnail-image"><a href="/WorldOfChange/WaxLake"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/85000/85267/waxlake_2014298_tn.jpg" alt = "World of Change: Growing Deltas in Atchafalaya Bay" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Nov 16, 2017</span> <h4>World of Change: Growing Deltas in Atchafalaya Bay</h4> <p>While the sea overtakes much of the delta plain of the Mississippi River, sediment from the Atchafalaya River is building two new deltas to the west.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card5" data-tags = "land life remotesensing" data-date = "Updated May 16, 2017"> <div class = "thumbnail" data-href = "/WorldOfChange/StHelens"> <div class = "thumbnail-image"><a href="/WorldOfChange/StHelens"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/43000/43992/sthelens_tm5_20090910_tn.jpg" alt = "World of Change: Devastation and Recovery at Mt. St. Helens" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated May 16, 2017</span> <h4>World of Change: Devastation and Recovery at Mt. St. Helens</h4> <p>The devastation of the May 1980 eruption of Mt. St. Helens and the gradual recovery of the surrounding landscape is documented in this series of satellite images from 1979–2016.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/life" class = "btn btn-tag hvr-rectangle-in btn-xs btn-life">Life</a> <a href = "/topic/remote-sensing" class = "btn btn-tag hvr-rectangle-in btn-xs btn-remotesensing">Remote Sensing</a> </p> </div> </div> </div> </div><div class = "row thumbnail-cards landing-cards full-landing-cards"> <div class = "col-sm-5 col-xs-12 masonry-item card1" data-tags = "land human" data-date = "Updated Oct 25, 2016"> <div class = "thumbnail" data-href = "/WorldOfChange/Athabasca"> <div class = "thumbnail-image thumbnail-image-no-padding"><a href="/WorldOfChange/Athabasca"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/76000/76566/athabasca_oli_20150830_tn.jpg" alt = "World of Change: Athabasca Oil Sands" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Oct 25, 2016</span> <h4>World of Change: Athabasca Oil Sands</h4> <p>The Athabasca Oil Sands are at once a source of oil, of economic growth, and of environmental concern. This series of images shows the growth of surface mines around the Athabasca River from 1984 to the present.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> </div> </div> <div class = "col-sm-7 col-xs-12 masonry-item card2" data-tags = "land snowice remotesensing" data-date = "Updated Jun 14, 2016"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-top" data-href = "/WorldOfChange/Glacier"> <div class = "thumbnail-image"><a href="/WorldOfChange/Glacier"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/88000/88197/glaciernp_oli_2015235_tn.jpg" alt = "World of Change: Ice Loss in Glacier National Park" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jun 14, 2016</span> <h4>World of Change: Ice Loss in Glacier National Park</h4> <p>Shrinking since at least the early 1900s, the ice cover in Glacier National Park is expected to keep declining until only insignificant lumps remain. These images show changes to the park's ice and surrounding landscape since 1984. </p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/snow-and-ice" class = "btn btn-tag hvr-rectangle-in btn-xs btn-snowice">Snow and Ice</a> <a href = "/topic/remote-sensing" class = "btn btn-tag hvr-rectangle-in btn-xs btn-remotesensing">Remote Sensing</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-5 col-xs-12 masonry-item card3" data-tags = "human" data-date = "Updated Sep 29, 2015"> <div class = "thumbnail thumbnail-horizontal" data-href = "/WorldOfChange/Hobet"> <div class = "thumbnail-image"><a href="/WorldOfChange/Hobet"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/43000/43004/hobetmine_oli_20150822_tn.jpg" alt = "World of Change: Mountaintop Mining, West Virginia" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Sep 29, 2015</span> <h4>World of Change: Mountaintop Mining, West Virginia</h4> <p>Based on data from the Landsat satellites, these natural-color images document the growth of the Hobet mine in Boone County, West Virginia, as it expands from ridge to ridge between.</p> <p class = "btn-tag-group"> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card4" data-tags = "land human" data-date = "Updated Jul 21, 2015"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-bottom" data-href = "/WorldOfChange/Orlando"> <div class = "thumbnail-image"><a href="/WorldOfChange/Orlando"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/86000/86267/orlando_oli_2014137_tn.jpg" alt = "World of Change: Development of Orlando, Florida" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jul 21, 2015</span> <h4>World of Change: Development of Orlando, Florida</h4> <p>Theme parks and other development has turned Central Florida from swampland to the most visited tourist region of the United States.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card5" data-tags = "land human" data-date = "Updated Jan 29, 2014"> <div class = "thumbnail" data-href = "/WorldOfChange/Deforestation"> <div class = "thumbnail-image"><a href="/WorldOfChange/Deforestation"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39146/amazon_deforestation_20080729_tn.jpg" alt = "World of Change: Amazon Deforestation" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jan 29, 2014</span> <h4>World of Change: Amazon Deforestation</h4> <p>The state of Rondônia in western Brazil is one of the most deforested parts of the Amazon. This series shows deforestation on the frontier in the northwestern part of the state between 2000 and 2012.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> </div> </div> </div><div class = "row thumbnail-cards landing-cards full-landing-cards"> <div class = "col-sm-5 col-xs-12 masonry-item card1" data-tags = "heat land human remotesensing" data-date = "Updated Apr 5, 2013"> <div class = "thumbnail" data-href = "/WorldOfChange/Etosha"> <div class = "thumbnail-image thumbnail-image-no-padding"><a href="/WorldOfChange/Etosha"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/80000/80834/etosha_20120610_tn.jpg" alt = "World of Change: Managing Fire in Etosha National Park" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Apr 5, 2013</span> <h4>World of Change: Managing Fire in Etosha National Park</h4> <p>Prescribed fires should prevent blazes from raging out of control in one of Namibia’s most prized wildlife preserves.</p> <p class = "btn-tag-group"> <a href = "/topic/heat" class = "btn btn-tag hvr-rectangle-in btn-xs btn-heat">Heat</a> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> <a href = "/topic/remote-sensing" class = "btn btn-tag hvr-rectangle-in btn-xs btn-remotesensing">Remote Sensing</a> </p> </div> </div> </div> <div class = "col-sm-7 col-xs-12 masonry-item card2" data-tags = "land water human" data-date = "Updated Feb 8, 2013"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-top" data-href = "/WorldOfChange/WestEnfield"> <div class = "thumbnail-image"><a href="/WorldOfChange/WestEnfield"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/80000/80389/wenfield_ali_2008105_tn.jpg" alt = "World of Change: Green Seasons of Maine" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Feb 8, 2013</span> <h4>World of Change: Green Seasons of Maine</h4> <p>Not many places on Earth have year-round greenery <em>and</em> four distinct seasons. The images in this series show the four seasons of Maine, the most forest-covered state in the U.S.A.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-5 col-xs-12 masonry-item card3" data-tags = "land life" data-date = "Updated Jan 13, 2012"> <div class = "thumbnail thumbnail-horizontal" data-href = "/WorldOfChange/AustraliaNDVI"> <div class = "thumbnail-image"><a href="/WorldOfChange/AustraliaNDVI"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/41000/41593/eastaustndvia_tmo_2005257_tn.jpg" alt = "World of Change: Drought Cycles in Australia" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jan 13, 2012</span> <h4>World of Change: Drought Cycles in Australia</h4> <p>Drought has taken a severe toll on croplands in Southeast Australia during many years this decade.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/life" class = "btn btn-tag hvr-rectangle-in btn-xs btn-life">Life</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card4" data-tags = "atmosphere land water" data-date = "Updated Sep 28, 2011"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-bottom" data-href = "/WorldOfChange/Storms"> <div class = "thumbnail-image"><a href="/WorldOfChange/Storms"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39984/2000_damrey_tmo_2000130_tn.jpg" alt = "World of Change: Severe Storms" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Sep 28, 2011</span> <h4>World of Change: Severe Storms</h4> <p>This collection of images featuring the strongest hurricane, cyclone, or typhoon from any ocean during each year of the past decade includes storms both famous—or infamous—and obscure.</p> <p class = "btn-tag-group"> <a href = "/topic/atmosphere" class = "btn btn-tag hvr-rectangle-in btn-xs btn-atmosphere">Atmosphere</a> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card5" data-tags = "land human" data-date = "Updated Sep 12, 2011"> <div class = "thumbnail" data-href = "/WorldOfChange/Indus"> <div class = "thumbnail-image"><a href="/WorldOfChange/Indus"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/52000/52101/indus_tm5_20090606_tn.jpg" alt = "World of Change: Seasons of the Indus River" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Sep 12, 2011</span> <h4>World of Change: Seasons of the Indus River</h4> <p>Fed by glaciers in the Himalayas and Karakorams — and by monsoon rains — the Indus River experiences substantial fluctuations every year. Because the river irrigates 18 million hectares of farmland, the landscape changes along with the river.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> </div> </div> </div><div class = "row thumbnail-cards landing-cards full-landing-cards"> <div class = "col-sm-5 col-xs-12 masonry-item card1" data-tags = "land human" data-date = "Updated Aug 9, 2011"> <div class = "thumbnail" data-href = "/WorldOfChange/Dubai"> <div class = "thumbnail-image thumbnail-image-no-padding"><a href="/WorldOfChange/Dubai"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39131/dubai_ast_20090205_tn.jpg" alt = "World of Change: Urbanization of Dubai" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Aug 9, 2011</span> <h4>World of Change: Urbanization of Dubai</h4> <p>To expand the possibilities for beachfront tourist development, Dubai, part of the United Arab Emirates, undertook a massive engineering project to create hundreds of artificial islands along its Persian Gulf coastline.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> </div> </div> <div class = "col-sm-7 col-xs-12 masonry-item card2" data-tags = "land" data-date = "Updated Oct 20, 2010"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-top" data-href = "/WorldOfChange/Tahoe"> <div class = "thumbnail-image"><a href="/WorldOfChange/Tahoe"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/46000/46468/laketahoe_ali_2010126_tn.jpg" alt = "World of Change: Seasons of Lake Tahoe" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Oct 20, 2010</span> <h4>World of Change: Seasons of Lake Tahoe</h4> <p>Perhaps the most familiar change in our changing world is the annual swing of the seasons. This series of images shows the effects of the seasons on the Lake Tahoe region between 2009 and 2010.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-5 col-xs-12 masonry-item card3" data-tags = "heat" data-date = "Updated Jun 24, 2010"> <div class = "thumbnail thumbnail-horizontal" data-href = "/WorldOfChange/Solar"> <div class = "thumbnail-image"><a href="/WorldOfChange/Solar"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39132/chromosphere_19990429_tn.jpg" alt = "World of Change: Solar Activity" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jun 24, 2010</span> <h4>World of Change: Solar Activity</h4> <p>Images of sunspots and UV brightness document the 11-year cycle of solar magnetic activity. The series spans 1999-2010, capturing the most recent solar maximum and minimum, as well as the emergence of solar cycle 24.</p> <p class = "btn-tag-group"> <a href = "/topic/heat" class = "btn btn-tag hvr-rectangle-in btn-xs btn-heat">Heat</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card4" data-tags = "water snowice" data-date = "Updated Apr 7, 2010"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-bottom" data-href = "/WorldOfChange/LarsenB"> <div class = "thumbnail-image"><a href="/WorldOfChange/LarsenB"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/43000/43463/larsenb_tmo_20020413_tn.jpg" alt = "World of Change: Collapse of the Larsen-B Ice Shelf" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Apr 7, 2010</span> <h4>World of Change: Collapse of the Larsen-B Ice Shelf</h4> <p>In early 2002, scientists monitoring daily satellite images of the Antarctic Peninsula watched in amazement as almost the entire Larsen B Ice Shelf splintered and collapsed in just over one month. They had never witnessed such a large area disintegrate so rapidly.</p> <p class = "btn-tag-group"> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/snow-and-ice" class = "btn btn-tag hvr-rectangle-in btn-xs btn-snowice">Snow and Ice</a> </p> </div> <div class = "clearfix"></div> </div> </div> <div class = "col-sm-30p col-xs-12 masonry-item card5" data-tags = "land human" data-date = "Updated Mar 30, 2010"> <div class = "thumbnail" data-href = "/WorldOfChange/Iraq"> <div class = "thumbnail-image"><a href="/WorldOfChange/Iraq"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39139/iraq_tmo_2009037_143_tn.jpg" alt = "World of Change: Mesopotamia Marshes" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Mar 30, 2010</span> <h4>World of Change: Mesopotamia Marshes</h4> <p>In the years following the Persian Gulf War, Iraqi residents began reclaiming the country’s nearly decimated Mesopotamian marshes. This series of images documents the transformation of the fabled landscape between 2000 and 2009.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> </div> </div> </div><div class = "row thumbnail-cards landing-cards full-landing-cards"> <div class = "col-sm-5 col-xs-12 masonry-item card1" data-tags = "atmosphere water" data-date = "Updated Oct 23, 2009"> <div class = "thumbnail" data-href = "/world-of-change/ENSO"> <div class = "thumbnail-image thumbnail-image-no-padding"><a href="/world-of-change/ENSO"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/40000/40915/ENSO_sst_rainfall_anomalies_199712_tn.jpg" alt = "World of Change: El Niño, La Niña, and Rainfall" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Oct 23, 2009</span> <h4>World of Change: El Niño, La Niña, and Rainfall</h4> <p>For many people, El Niño and La Niña mean floods or drought, but the events are actually a warming or cooling of the eastern Pacific Ocean that impacts rainfall. These sea surface temperature and rainfall anomaly images show the direct correlation between ocean temperatures and rainfall during El Niño and La Niña events.</p> <p class = "btn-tag-group"> <a href = "/topic/atmosphere" class = "btn btn-tag hvr-rectangle-in btn-xs btn-atmosphere">Atmosphere</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> </p> </div> </div> </div> <div class = "col-sm-7 col-xs-12 masonry-item card2" data-tags = "land life water" data-date = "Updated Jun 5, 2009"> <div class = "thumbnail thumbnail-horizontal thumbnail-horizontal-top" data-href = "/WorldOfChange/Biosphere"> <div class = "thumbnail-image"><a href="/WorldOfChange/Biosphere"><img src = "https://eoimages.gsfc.nasa.gov/images/featureteasers/39000/39123/global_biosphere_1999_tn.jpg" alt = "World of Change: Global Biosphere" /></a></div> <div class = "caption"> <span class = "thumbnail-date">Updated Jun 5, 2009</span> <h4>World of Change: Global Biosphere</h4> <p>Earth would not be the planet that it is without its biosphere, the sum of its life. This series of images illustrates the variations in the average productivity of the global biosphere from 1999 to 2008.</p> <p class = "btn-tag-group"> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/life" class = "btn btn-tag hvr-rectangle-in btn-xs btn-life">Life</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> </p> </div> <div class = "clearfix"></div> </div> </div> </div> </div> <div class = "row"> <div class = "col-xs-12"> <a href = "/subscribe/" class = "cta cta-subscribe-large"> <h1>Subscribe<span class = "hidden-xs"> To Our Newsletters</span></h1> <span class = "hidden-xs">Receive notifications of our most recent images!</span> <span class = "hidden-lg hidden-sm hidden-md">to our newsletters</span> </a> </div> </div> </div> </div> <footer> <div class="container"> <div class="row"> <div class="footer-logo col-lg-3 col-sm-3 col-xs-12"> <a href="/" title="Earth Observatory"> <img class="logo-mark" src="/img/logo-mark.svg" alt="Earth Observatory"/> </a> </div> <div class="col-lg-7 col-sm-8 col-xs-12 pull-right"> <ul class="nav nav-pills"> <li><a href="https://www.facebook.com/nasaearth/" class="fb hvr-rectangle-out" title="Facebook"><img src="/img/social-facebook.svg" alt="Facebook"/></a></li> <li><a href="http://twitter.com/nasaearth/" class="twitter hvr-rectangle-out" title="Twitter"><img src="/img/social-twitter.svg" alt="Twitter"/></a></li> <li><a href="http://instagram.com/NASAEarth/" class="instagram hvr-rectangle-out" title="Instagram"><img src="/img/social-instagram.svg" alt="Instagram"/></a></li> <li><a href="/subscribe/" class="subscribe hvr-rectangle-out" title="Subscribe"><img src="/img/social-subscribe.svg" alt="Subscribe"/></a></li> <li><a href="/subscribe/feeds" class="rss hvr-rectangle-out" title="RSS"><img src="/img/social-rss.svg" alt="RSS"/></a></li> </ul> </div> <div class="col-lg-8 col-sm-8 col-xs-12 pull-right"> <ul class="nav-footer"> <li><a href="/subscribe/feeds">Feeds</a></li> <li><a href="/contact/">Contact</a></li> <li><a href="/about">About</a></li> <li><a href="/image-use-policy">Image Use Policy</a></li> <li><a href="https://www.nasa.gov/about/highlights/HP_Privacy.html">Privacy Policy</a></li> <li><a href="https://www.nasa.gov/accessibility/">Accessibility</a></li> </ul> <div class="clearfix"></div> <div class="footer-contact col-lg-6 col-sm-6 col-xs-12"> Webmaster <a href="/contact/">Paul Przyborski</a> </div> <div class="footer-contact col-lg-6 col-sm-6 col-xs-12"> NASA Official <a href="/contact/">Robert Levy</a> </div> <div class="footer-credit col-lg-12 col-sm-12 col-xs-12"> The Earth Observatory is part of the <br class="hidden-lg hidden-sm"/><a href="http://eospso.nasa.gov/">EOS Project Science Office</a> at <br class="hidden-lg hidden-sm"/><a href="https://www.nasa.gov/goddard/">NASA Goddard Space Flight Center</a> </div> </div> </div> </div> </footer> <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <script type="text/javascript" src="/js/bootstrap.min.js"></script> <script type="text/javascript" src="/js/bootstrap-alert.js"></script> <script type="text/javascript" src="/js/bootstrap-notify.js"></script> <script type="text/javascript" src="/js/jasny-bootstrap.min.js"></script> <script type="text/javascript" src="/fontawesome/js/fontawesome-all.js"></script> <script type="text/javascript" src="/js/masonry.pkgd.min.js"></script> <script type="text/javascript" src="/js/imagesloaded.pkgd.min.js"></script> <script type="text/javascript" src="/js/main.js"></script> <script src="https://earthobservatory.nasa.gov/js/moment.min.js"></script> <script src="https://earthobservatory.nasa.gov/js/bootstrap-datetimepicker.min.js"></script> <script src="https://earthobservatory.nasa.gov/js/landing.js"></script> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-17823747-1']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 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World Of Change