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class="breadcrumb_last" aria-current="page">How the Greenhouse Effect Traps Heat and Warms Earth</span></span></div><h1 class="entry-title">How the Greenhouse Effect Traps Heat and Warms Earth</h1><div class="entry-meta entry-meta-divider-customicon"> <div class="meta-comments"><span class="kadence-svg-iconset"><svg class="kadence-svg-icon kadence-comments-alt-svg" fill="currentColor" version="1.1" xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 28 28"><title>Comments</title><path d="M10 14c0 1.109-0.891 2-2 2s-2-0.891-2-2 0.891-2 2-2 2 0.891 2 2zM16 14c0 1.109-0.891 2-2 2s-2-0.891-2-2 0.891-2 2-2 2 0.891 2 2zM22 14c0 1.109-0.891 2-2 2s-2-0.891-2-2 0.891-2 2-2 2 0.891 2 2zM14 6c-6.5 0-12 3.656-12 8 0 2.328 1.563 4.547 4.266 6.078l1.359 0.781-0.422 1.5c-0.297 1.109-0.688 1.969-1.094 2.688 1.578-0.656 3.016-1.547 4.297-2.672l0.672-0.594 0.891 0.094c0.672 0.078 1.359 0.125 2.031 0.125 6.5 0 12-3.656 12-8s-5.5-8-12-8zM28 14c0 5.531-6.266 10-14 10-0.766 0-1.531-0.047-2.266-0.125-2.047 1.813-4.484 3.094-7.187 3.781-0.562 0.156-1.172 0.266-1.781 0.344h-0.078c-0.313 0-0.594-0.25-0.672-0.594v-0.016c-0.078-0.391 0.187-0.625 0.422-0.906 0.984-1.109 2.109-2.047 2.844-4.656-3.219-1.828-5.281-4.656-5.281-7.828 0-5.516 6.266-10 14-10v0c7.734 0 14 4.484 14 10z"></path> </svg></span><a class="meta-comments-link anchor-scroll" href="#comments">1 Comment</a></div></div></header> <div class="entry-content single-content"> <figure class="wp-block-image is-style-default"><img fetchpriority="high" decoding="async" width="675" height="507" src="https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1-675x507.jpg" alt="Greenhouse Effect" class="wp-image-4401" srcset="https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1-675x507.jpg 675w, https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1-300x225.jpg 300w, https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1-425x319.jpg 425w, https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1-550x413.jpg 550w, https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1.jpg 678w, https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1-326x245.jpg 326w, https://earthhow.com/wp-content/uploads/2018/12/Greenhouse-Effect-1-80x60.jpg 80w" sizes="(max-width: 675px) 100vw, 675px"/></figure> <div class="wp-block-group" style="padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)"><div class="wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained"> <h3 class="wp-block-heading">What is the greenhouse effect?</h3> <p>I’ve good news and bad news about the greenhouse effect.</p> <p>First, the good news:</p> <p>Because greenhouse gases trap heat in the atmosphere, this <strong>helps regulate the temperature on Earth</strong>. Without greenhouse gases, we鈥檇 live in an icebox. It would kind of be like living on the moon which doesn鈥檛 have an atmosphere at all.</p> <p>Now, the bad news:</p> <p>Because we put too much CO2, methane, and N<sub>2</sub>O in the air, it <strong>amplifies the greenhouse effect</strong> and less solar radiation is radiating back to space. As we should know, too much of a bad thing can leave everlasting consequences for our planet.</p></div></div><div class="wp-block-group" style="padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)"><div class="wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained"> <h3 class="wp-block-heading">We need the greenhouse effect</h3> <div class="wp-block-image is-style-default"> <figure class="alignright"><img decoding="async" width="290" height="300" src="https://earthhow.com/wp-content/uploads/2018/11/Greenhouse-Effect-290x300.png" alt="Greenhouse Effect" class="wp-image-1675" srcset="https://earthhow.com/wp-content/uploads/2018/11/Greenhouse-Effect-290x300.png 290w, https://earthhow.com/wp-content/uploads/2018/11/Greenhouse-Effect.png 407w" sizes="(max-width: 290px) 100vw, 290px"/></figure></div><p>A greenhouse is usually something useful. For example, we build a greenhouse to grow tomatoes out of season. It’s warm in a greenhouse because sunlight enters and traps heat.</p> <ul class="wp-block-list"> <li>Visible light passes through the glass. <a href="https://earthhow.com/tree-growth/">Plants and soil absorb the solar radiation</a> and warms it. On the other hand, some sunlight is partly reflected back to the outside, never fully entering inside the greenhouse.</li> <li>For the infrared radiation that enters the greenhouse, some of it partly bounces off the surface and exits into the atmosphere. But when infrared radiation is re-emitted within the greenhouse, it traps heat and warms inside the greenhouse. And this is where the greenhouse effect comes into play.</li> </ul> <p>On Earth, if we didn鈥檛 have greenhouse gases, we鈥檇 live in an icebox. It would kind of be like living on the moon which doesn鈥檛 have an atmosphere at all.</p> <p>If you compare temperatures on the moon, it’s much colder. Even though the <a href="https://earthhow.com/how-far-is-the-moon/">distance to the moon</a> is similar for Earth and the sun, the difference is that Earth has an atmosphere. Overall, temperatures would be about 9 to 10掳C colder if it wasn’t for the greenhouse effect.</p></div></div><div class="wp-block-group" style="padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)"><div class="wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained"> <h3 class="wp-block-heading">But we don鈥檛 need too much of the greenhouse effect</h3> <p>Now, the bad news. Human activity is driving the temperature up. We add greenhouse gases like methane (CH4), carbon dioxide (CO2), and nitrous oxide (N2O) in large part <a href="https://earthhow.com/air-pollution-sources/">due to agricultural activity</a> and burning fossil fuels. Because we put too much of it in the air, it amplifies the greenhouse effect and less solar radiation is radiating back to space. In general, temperatures are increasing as a whole for the entire planet.</p> <p>For example, if we look <a href="https://earthhow.com/solar-system-facts/">outside our solar system</a> we can see how the greenhouse effect alters temperature on other planets.</p> <div class="wp-block-image is-style-default"> <figure class="aligncenter"><a href="https://earthhow.com/wp-content/uploads/2018/10/Annual-greenhouse-gas-index.png"><img decoding="async" width="550" height="371" src="https://earthhow.com/wp-content/uploads/2018/10/Annual-greenhouse-gas-index-550x371.png" alt="Annual greenhouse gas index" class="wp-image-8868" srcset="https://earthhow.com/wp-content/uploads/2018/10/Annual-greenhouse-gas-index-550x371.png 550w, https://earthhow.com/wp-content/uploads/2018/10/Annual-greenhouse-gas-index-300x202.png 300w, https://earthhow.com/wp-content/uploads/2018/10/Annual-greenhouse-gas-index-675x455.png 675w, https://earthhow.com/wp-content/uploads/2018/10/Annual-greenhouse-gas-index-425x286.png 425w, https://earthhow.com/wp-content/uploads/2018/10/Annual-greenhouse-gas-index.png 800w" sizes="(max-width: 550px) 100vw, 550px"/></a></figure></div><p>Venus receives nearly twice as much sunlight as Earth because it鈥檚 much closer to the sun. But it鈥檚 because 96.5% of Venus atmosphere is carbon dioxide, the <a href="https://earthhow.com/planet-venus-facts/">greenhouse effect is in full effect on Venus</a>. It’s the hottest planet due to this fact.</p> <p>Like Earth, sunlight heats the surface. But the heat is contained because of the Venusian clouds and carbon dioxide prevents it from escaping. This is why surface temperature reaches 460掳C on Venus which is hot enough to melt lead.</p></div></div><div class="wp-block-group" style="padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)"><div class="wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained"> <h3 class="wp-block-heading">The Greenhouse Effect and you</h3> <p>Global warming is real and it’s not to blame on the natural cycle of seasons. In fact, the Earth’s greenhouse effect is what <strong>traps heat and warms the planet</strong>. The Earth has a protective layer that’s made up of gases like water vapor, carbon dioxide, and methane.</p> <p>This layer traps solar energy from the sun which in turn keeps the Earth warm enough for life to flourish. Without this layer, global warming would be an issue where temperatures rise too high for humans and animals to live.</p> <p>Earth is currently experiencing an intense greenhouse effect. It traps heat in the atmosphere and keeps it <strong>warm enough to cause global warming</strong>. The greenhouse effect has been shown to be a major contributor to climate change and global warming.</p></div></div><div class="newsletter1"><span style="color:#FFFFFF">Subscribe to our newsletter:</span> <div class="tnp tnp-subscription-minimal"><form action="https://earthhow.com/wp-admin/admin-ajax.php?action=tnp&na=s" method="post" style="text-align: center"><input type="hidden" name="nr" value="minimal"> <input type="hidden" name="nlang" value=""> <input class="tnp-email" type="email" required name="ne" value="" placeholder="Email"><input class="tnp-submit" type="submit" value="Subscribe" style=""> </form></div></div><div class="kb-row-layout-wrap kb-row-layout-id18087_9ac6f0-08 alignnone wp-block-kadence-rowlayout"><div class="kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top"> <div class="wp-block-kadence-column kadence-column18087_8adc6b-56 kvs-sm-false kb-section-dir-horizontal"><div 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href="https://earthhow.com/lightning-facts/">10 Electrifying Lightning Facts: Get Thunderstruck</a></h6><div class="kt-blocks-post-top-meta"></div></header><div class="entry-content"></div><footer class="kt-blocks-post-footer"><div class="kt-blocks-post-footer-left"></div><div class="kt-blocks-post-footer-right"></div></footer></div></div></article></div></div></div></div></div></div></div></div></article> <div id="comments" class="comments-area"> <h2 class="comments-title">One Comment</h2> <ol class="comment-list"> <li id="comment-2459" class="comment even thread-even depth-1"> <article id="div-comment-2459" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn">Larry Heinrich</b> <span class="says">says:</span></div><div class="comment-metadata"> <a href="https://earthhow.com/greenhouse-effect/#comment-2459"><time datetime="2019-12-10T14:33:51-06:00">December 10, 2019 at 2:33 pm</time></a></div></footer> <div class="comment-content"> <p>Why don’t we use CO2 to insulate our windows should be perfect after reading on your web-site.</p></div></article> </li> </ol> <div id="respond" class="comment-respond"> <h3 id="reply-title" class="comment-reply-title">Leave a Reply</h3><form action="https://earthhow.com/wp-comments-post.php" method="post" id="commentform" class="comment-form" novalidate><p class="comment-notes"><span id="email-notes">Your email address will not be published.</span> <span class="required-field-message">Required fields are marked <span class="required">*</span></span></p><p class="comment-form-comment comment-form-float-label"><textarea autocomplete="new-password" id="i477054932" name="i477054932" placeholder="Leave a comment..." cols="45" rows="8" maxlength="65525" aria-required="true" required="required"></textarea><textarea id="comment" aria-label="hp-comment" aria-hidden="true" name="comment" autocomplete="new-password" style="padding:0 !important;clip:rect(1px, 1px, 1px, 1px) 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