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<span>Learn More ›</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Environmental Legislation</h4> <a href="https://explore.britannica.com/explore/savingearth/50-years-us-environmental-legislation" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2019/03/environmental-law-hero-300x300.jpg');"></div> <div class="megamenu-excerpt"> <h3>Environmental Legislation</h3> <p>The past 50 years encompass nearly all of the major milestones in U.S. environmental legislation. </p> <span>Learn More ›</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Environmental Setbacks</h4> <a href="https://explore.britannica.com/explore/savingearth/50-years-environmental-set-backs" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: 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high-octane petroleum quiz.</p> <span>Start Your Quiz</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Groundwater Quiz</h4> <a href="https://explore.britannica.com/explore/savingearth/test-your-knowledge__trashed/groundwater-quiz" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2019/04/GroundwaterquizHero-300x300.jpg');"></div> <div class="megamenu-excerpt"> <h3>Groundwater Quiz</h3> <p>You may know all about what happens to water aboveground, but what do you know about groundwater? Test your knowledge with this quiz.</p> <span>Start the Quiz</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Biodiversity loss</h4> <a href="https://explore.britannica.com/explore/savingearth/test-your-knowledge__trashed/biodiversity-loss-quiz" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2019/04/BiodiversitylossQuizHero-300x300.jpg');"></div> <div class="megamenu-excerpt"> <h3>Biodiversity Loss Quiz</h3> <p>Do you know about the threats facing nonhuman life on Earth? Take this quiz to test your knowledge.</p> <span>Start the Quiz</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Climate change</h4> <a href="https://explore.britannica.com/explore/savingearth/test-your-knowledge__trashed/climate-change-quiz" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2019/04/0000158166-ebind2795-0221-300x300.jpg');"></div> <div class="megamenu-excerpt"> <h3>Climate Change Quiz</h3> <p>Which gases play an important role in climate change? Test your knowledge of this "hot" topic with this quiz.</p> <span>Learn More ›</span> </div> </a> </div><!-- mega-feature --> </div> </div> <div class="megamenu-panel" id="megamenu-5"> <div class="container"> <div class="mega-column mega-feature"> <h4>Your Actions</h4> <a href="https://explore.britannica.com/explore/savingearth/everyday-tips" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2019/04/caspar-camille-rubin-37013-unsplash-300x300.jpg');"></div> <div class="megamenu-excerpt"> <h3>Everyday Environmental Tips</h3> <p>Your actions as an informed consumer have great power, and consumer-driven change is already happening.</p> <span>Learn More ›</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Activists</h4> <a href="https://explore.britannica.com/explore/savingearth/meet-the-activists" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2020/04/AdobeStock_311664550-300x300.jpeg');"></div> <div class="megamenu-excerpt"> <h3>Meet the Environmental Activists</h3> <p>Who are some of the past and present voices in the fight to protect our planet?</p> <span>Learn More ›</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Organizations</h4> <a href="https://explore.britannica.com/explore/savingearth/meet-the-organizations" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2019/04/hillary-ungson-1227272-unsplash-300x300.jpg');"></div> <div class="megamenu-excerpt"> <h3>Meet the Organizations</h3> <p>Who are some of the past and present voices in the fight to protect our planet?</p> <span>Learn More ›</span> </div> </a> </div><!-- mega-feature --> </div> </div> <div class="megamenu-panel" id="megamenu-6"> <div class="container"> <div class="mega-column mega-feature"> <h4>Postcards from the 6th Mass Extinction </h4> <a href="https://explore.britannica.com/explore/savingearth/postcards-from-the-6th-mass-extinction" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: url('https://explore.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2020/05/whale-1-300x300.jpg');"></div> <div class="megamenu-excerpt"> <h3>Postcards from the 6th Mass Extinction</h3> <p>Britannica Earth Scientist John Rafferty examines Earth’s current episode of mass extinction</p> <span>Listen now</span> </div> </a> </div><!-- mega-feature --> <div class="mega-column mega-feature"> <h4>Botanize</h4> <a href="https://explore.britannica.com/explore/savingearth/botanize" class="megamenu-feature"> <div class="megamenu-thumb" style="background-image: 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class="elementor-background-overlay"></div> <div class="elementor-container elementor-column-gap-no"> <div class="elementor-row"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-161a6c5" data-id="161a6c5" data-element_type="column"> <div class="elementor-column-wrap elementor-element-populated"> <div class="elementor-widget-wrap"> <div class="elementor-element elementor-element-8abe1ad elementor-widget elementor-widget-heading" data-id="8abe1ad" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">The first law of ecology is that everything is related to everything else. There is one ecosphere for all living organisms and what affects one, affects all. </h2> </div> </div> <div class="elementor-element elementor-element-163796f elementor-widget elementor-widget-spacer" data-id="163796f" data-element_type="widget" data-widget_type="spacer.default"> <div class="elementor-widget-container"> <div class="elementor-spacer"> <div class="elementor-spacer-inner"></div> </div> </div> </div> <div class="elementor-element elementor-element-dd7ec7f elementor-widget elementor-widget-heading" data-id="dd7ec7f" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">-- Barry Commoner (<i>The Closing Circle</i>, 1971)</h2> </div> </div> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-fc71d3d elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="fc71d3d" data-element_type="section"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-row"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7665601" data-id="7665601" data-element_type="column"> <div class="elementor-column-wrap elementor-element-populated"> <div class="elementor-widget-wrap"> <div class="elementor-element elementor-element-8c0179f elementor-widget elementor-widget-html" data-id="8c0179f" data-element_type="widget" data-widget_type="html.default"> <div class="elementor-widget-container"> <div class="ad-unit"> <div class="ad-wrapper"> <!-- /15510053/eb_d/msearth_article2 BOT --> <div id='div-gpt-ad-1554213233781-0' style='height:90px; width:728px;' class="none block-l"> <script>googletag.cmd.push(function() { googletag.display('div-gpt-ad-1554213233781-0'); });</script> </div> <div id='div-gpt-ad-1554213288347-0' style='height:50px; width:320px;' class="block none-l"> <script>googletag.cmd.push(function() { googletag.display('div-gpt-ad-1554213288347-0'); });</script> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-8feb81c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="8feb81c" data-element_type="section"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-row"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fecfd60" data-id="fecfd60" data-element_type="column"> <div class="elementor-column-wrap elementor-element-populated"> <div class="elementor-widget-wrap"> <div class="elementor-element elementor-element-4a2209a elementor-widget elementor-widget-heading" data-id="4a2209a" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">About Advocacy for Animals</h2> </div> </div> <div class="elementor-element elementor-element-0bb46c5 elementor-widget elementor-widget-text-editor" data-id="0bb46c5" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <div class="elementor-text-editor elementor-clearfix"> <p>We present <em>Advocacy for Animals</em> as a source of information, a call to action, and a stimulus to thought regarding humanity’s relationship with nonhuman animals. We support worldwide efforts to ensure the humane treatment of animals, to promote their well-being and conservation, to develop our scientific understanding of their nature, and to protect and restore their habitats and the natural environment at large.</p><p>We will focus primarily on animal rights, wildlife conservation, environmental health and safety, and the legal and cultural issues related to these topics. The views expressed on <em>Advocacy for Animals</em> by its editorial staff and contributors are not necessarily those of Encyclopædia Britannica, Inc.</p><p> </p> </div> </div> </div> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-29a9c2c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="29a9c2c" data-element_type="section"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-row"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-adfbee5" data-id="adfbee5" data-element_type="column"> <div class="elementor-column-wrap elementor-element-populated"> <div class="elementor-widget-wrap"> <div class="elementor-element elementor-element-1157855 elementor-widget elementor-widget-heading" data-id="1157855" data-element_type="widget" data-widget_type="heading.default"> 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