Skeptical Science<p>We're constantly seeking to make our <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> tools easier to pick up and use.</p><p>Youtube comments (where heated ''debate'' over <a href="https://scicomm.xyz/tags/ChangeChange" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ChangeChange</span></a> is often found) present a special challenge. Often it's helpful to cite a source on the web, but links to other places are swiftly removed by Youtube (you're never supposed to leave). </p><p>Baerbel Winkler has created Youtube videos consisting of chapters each covering a particular myth as treated in our collaborations with Gigafact. A short url will take a viewer directly to the item in play. </p><p>Learn about how to use these in our post.</p><p><a href="https://skepticalscience.com/fact-brief-videos.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/fact-brie</span><span class="invisible">f-videos.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
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#climatemythdebunking
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Skeptical Science<p>Having wended her way by train to Vienna, Austria for the 2025 <a href="https://scicomm.xyz/tags/EGU" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EGU</span></a> 2025 General Assembly, our volunteer Baerbel Winkler will be presenting a synopsis of our possibly unparalleled except by the UN translation effort, our lessons learned and challenges still to be met. </p><p>Much of our <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> and other content is available in 29 languages. It's a massive effort, remarkable as the product of all-volunteer energy.</p><p>Details at the link-- including how to help.</p><p><a href="https://skepticalscience.com/egu25-presentation-about-translations.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/egu25-pre</span><span class="invisible">sentation-about-translations.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>Here's our latest roundup of news related to <a href="https://scicomm.xyz/tags/GlobalWarming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GlobalWarming</span></a> and <a href="https://scicomm.xyz/tags/ClimateChange" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateChange</span></a>. This edition of our weekly feature includes 28 articles, conveniently collated into categories, efficient to access. </p><p>If you'd like to have a tap on the shoulder when we publish these and our other regular and special features supporting <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> and helping us to squarely face our <a href="https://scicomm.xyz/tags/ClimateAccident" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateAccident</span></a>, you can easily join our mailing list. We --never-- "share" addresses. </p><p><a href="https://skepticalscience.com/2025-SkS-Weekly-News-Roundup_16.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/2025-SkS-</span><span class="invisible">Weekly-News-Roundup_16.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>Our online course Denial101x delivered in collaboration with Australia's University of Queensland recently concluded, after 9 years of tutelage. </p><p>We're sad to see it ended (circumstances beyond our control) but:</p><p>* Students enrolled: 50k+<br>* Student learning goals achieved: >88%<br>* Countries reached: 156</p><p>We've woven much of the course material into our extensive inventory of <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> resources. </p><p>More reflections on this fruitful experience at the link. </p><p><a href="https://skepticalscience.com/mooc-denial101x-run-its-course.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/mooc-deni</span><span class="invisible">al101x-run-its-course.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>The fundamental mechanisms of our accidentally heating our planet are not very complicated in terms of material effects. </p><p>We've made it harder for energy to escape the planet, without a commensurate decrease in energy input. </p><p>So we warm up. It's that simple.</p><p>But when it comes to obfuscation and distraction, <a href="https://scicomm.xyz/tags/GlobalWarming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GlobalWarming</span></a> is a fertile ground. All sorts of complexities can be introduced, to confuse.</p><p>Here's the latest collaborative <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> from <a href="https://scicomm.xyz/tags/Gigafact" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Gigafact</span></a> and Skeptical Science.</p>
Skeptical Science<p>What's an "AIV?" Autonomous Information Vehicle, that's what. </p><p>It's our term for animated graphics we created to easily share in various locations, wherever the seemingly universal and immortal animated GIF scheme works.</p><p>AIVs present climate myth debunkings in step-by-step fashion. They can quickly stand in for laborious and endless typing when "somebody on the internet is wrong."</p><p>Here's an example. The rest are at the link, ready to release!</p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> </p><p><a href="https://skepticalscience.com/graphics.php?c=15?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/graphics.</span><span class="invisible">php?c=15?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>About 50 years ago and with fresh information (particularly the marine record of oxygen isotopes) we located our position on the chronology of successive continental-scale glaciations, "ice ages." Papers were published about this, making a splash in the popular press-- and later becoming fodder for people with a monetary stake in creating confusion. </p><p>The next ice age is a changing story, but not for the reasons touted by climate bunkaneers.</p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a></p><p><a href="https://skepticalscience.com/fact-brief-iceage.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/fact-brie</span><span class="invisible">f-iceage.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>Our <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> access statistics are a proxy for popularity of particular items of <a href="https://scicomm.xyz/tags/ClimateBunk" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateBunk</span></a>.</p><p>Per these stats the "MWP" or "Medieval Warming Period" has done a steady fair-to-middling trade in <a href="https://scicomm.xyz/tags/ClimateConfusion" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateConfusion</span></a>, for many years. </p><p>Here's a new 160-word treatment, created in collaboration with <a href="https://scicomm.xyz/tags/GigaFact" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GigaFact</span></a> and designed for quick-and-easy use by understaffed newsrooms.</p><p>This one's quite simple, a bit easier to fit into few words-- yet the myth still has legs.</p><p><a href="https://skepticalscience.com/fact-brief-mwp.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/fact-brie</span><span class="invisible">f-mwp.html</span></a></p>
Doug Bostrom<p><span class="h-card" translate="no"><a href="https://mastodon.world/@davidho" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>davidho</span></a></span> </p><p>Something to pass along.</p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a></p><p><a href="https://skepticalscience.com/volcanoes-and-global-warming.htm" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/volcanoes</span><span class="invisible">-and-global-warming.htm</span></a></p>
Doug Bostrom<p>Happy (not sure that's _quite_ the right sentiment) to see <span class="h-card" translate="no"><a href="https://scicomm.xyz/@SkepticalScience" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>SkepticalScience</span></a></span>'s recent revamp of our <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> for the Medieval Warm Period cited in this Guardian fact check. </p><p>Along with two others.</p><p>We do volcanoes as well, but no complaints. :-) </p><p>Those of us too close to this topic think of these <a href="https://scicomm.xyz/tags/ClimateMyths" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMyths</span></a> as old and harmless, but here's Reform UK breathing new life into 'em. Ignore at our peril.</p><p><a href="https://www.theguardian.com/environment/article/2024/may/31/factcheck-no-richard-tice-volcanoes-are-not-to-blame-for-climate-change" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">theguardian.com/environment/ar</span><span class="invisible">ticle/2024/may/31/factcheck-no-richard-tice-volcanoes-are-not-to-blame-for-climate-change</span></a></p>
Skeptical Science<p>2011: "medieval" relative to 2024? Perhaps so, in online terms. In any case the internet-ancient ca. 2011 <a href="https://scicomm.xyz/tags/ClimateMyth" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMyth</span></a> centered on the "Medieval Warming Period" (MWP) as a dodge to exculpate us from our accidentally warming our planet continues to resonate. So our <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> access statistics indicate, as a proxy measure. </p><p>We've been doing an overall update of our <a href="https://scicomm.xyz/tags/ClimateBunk" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateBunk</span></a> treatments. Now up: the <a href="https://scicomm.xyz/tags/MWP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MWP</span></a>, with an at-a-glance treatment. </p><p>Opinions welcome!</p><p><a href="https://skepticalscience.com/medieval-warm-period.htm?utm-source=mastondo&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/medieval-</span><span class="invisible">warm-period.htm?utm-source=mastondo&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>How to effect positive change: pick a strategy, marry with tactics-- consistently. Find an important niche needing more service, fill it. Don't become distracted, avoid redundancy. </p><p>That's how we operate Skeptical Science. We focus on <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> services to the public. </p><p>We're partnering with <a href="https://scicomm.xyz/tags/GigaFact" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GigaFact</span></a>, a new nonprofit following the above general plan by providing newsrooms easy access to brief but definitive rebuttals to misinformation and disinformation. </p><p><a href="https://skepticalscience.com/gigafact-and-skeptical-science-collaborate-to-create-fact-briefs.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/gigafact-</span><span class="invisible">and-skeptical-science-collaborate-to-create-fact-briefs.html?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Doug Bostrom<p>This article has the virtuous feature of a very terrific "where do we stand now" introduction.</p><p>A complete education. </p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> </p><p><a href="https://www.tandfonline.com/doi/full/10.1080/17524032.2024.2316757?af=R" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">tandfonline.com/doi/full/10.10</span><span class="invisible">80/17524032.2024.2316757?af=R</span></a></p>
Skeptical Science<p>Polar bears are iconic symbols of climate change. Who hasn't seen the near-cliche image of a bear standing on a tiny ice floe? </p><p>These animals' ambassadorial status and powerful emotional resonance attract cherry-picking hair-splitting climate change deniers in droves. Our first debunking of this drivel was published in 2009. </p><p>Freshly revised for the 4th time, now with our "at a glance" treatment. How does it work for you? Let us know!</p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> <br><a href="https://skepticalscience.com/polar-bears-global-warming.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/polar-bea</span><span class="invisible">rs-global-warming.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>"It's waste heat." This climate myth had its time in the sun; just see comments dating back to 2010 and then dribbling on for the next 11 years. Our rebuttal still lands a few reads per week.</p><p>In reality, energy (mostly stored in fossil fuels) we're liberating via waste heat pales in comparison to feedback effects of combustion CO2 emissions. </p><p>We've revised our treatment of this topic to make it easier to understand. Reviews welcome!</p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> </p><p><a href="https://skepticalscience.com/waste-heat-global-warming-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/waste-hea</span><span class="invisible">t-global-warming-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>"CO2 is plant food."</p><p>Yes, like carbohydrates for us humans. </p><p>Imagine: massively increase carbohydrate intake while leaving proteins, minerals etc. constant. Does it follow that we'd be healthier, more thriving? Obviously not. It's not different for plants, but the "tailpipe emissions are good for plants" crowd (selling raw material for emissions) would like us to believe in this magic.</p><p>This rebuttal newly revised. Reviews welcome, appreciated!</p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a><br><a href="https://skepticalscience.com/co2-plant-food-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks@utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/co2-plant</span><span class="invisible">-food-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks@utm-term=sks</span></a></p>
Skeptical Science<p>"What is methane's contribution to global warming?"</p><p>A fair question but not an excuse or an escape hatch for culpability.</p><p>Any "GHG sources, sinks and flux" section of our weekly research reports suggests that the future of proportionality is in question; we're mobilizing forces that may end up beyond our control. But right now, CH4 is not the Big Kahuna in our climate drama. </p><p>We've revised this discussion, and included a form for feedback. </p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a><br><a href="https://skepticalscience.com/methane-and-global-warming-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/methane-a</span><span class="invisible">nd-global-warming-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>Another week and another raking of ashes refusing to entirely cool.</p><p>"What is causing the increase in atmospheric CO2?" </p><p>It beggars belief, but this faint hot-spot of cultivated ignorance still glows a little bit. Why? Because pretending we don't know will allow monetization of fossil fuels to continue just a little longer.</p><p>Revised and updated: our <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> of this closed question. Comments and suggestions welcome-- a convenient form is provided!</p><p><a href="https://skepticalscience.com/co2-increase-is-natural-not-human-caused.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/co2-incre</span><span class="invisible">ase-is-natural-not-human-caused.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>"Oh, the places you'll go!" -- Dr. Seuss</p><p>In the <a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> arena we find ourselves dealing with such as this:</p><p>"If Senator Wong was really serious about her science she would stop breathing because you inhale air that's got 385 parts per million carbon dioxide in it and you exhale air with about ten times as much..."</p><p>So here we are; we have arrived at our destination-- synthetic ignorance as "active measures." It finds traction.</p><p>Newly revised treatment:</p><p><a href="https://skepticalscience.com/breathing-co2-carbon-dioxide-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/breathing</span><span class="invisible">-co2-carbon-dioxide-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
Skeptical Science<p>"Has the greenhouse effect been falsified?"</p><p>No. The term "greenhouse effect" is an analogy. Unfortunately, while analogies are very helpful in promoting understanding, they're also susceptible to rhetorical exploitation by people promoting synthetic ignorance.</p><p>So, it's necessary to explain. Our new at-a-glance treatment seeks to do that in a way that's palatable to people not obsessed with the topic. Take a look and let us know what you think!</p><p><a href="https://scicomm.xyz/tags/ClimateMythDebunking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateMythDebunking</span></a> <br><a href="https://skepticalscience.com/does-greenhouse-effect-exist-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">skepticalscience.com/does-gree</span><span class="invisible">nhouse-effect-exist-basic.htm?utm-source=mastodon&utm-campaign=socialnetworks&utm-term=sks</span></a></p>
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