formuchdeliberation<p>Sand-sized fossils hold secrets to the history of climate change…</p><p>Between 18,000 and 11,000 years ago, the amount of <a href="https://mastodon.world/tags/carbondioxide" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>carbondioxide</span></a> in the <a href="https://mastodon.world/tags/atmosphere" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphere</span></a> suddenly shot up. This caused rapid global warming, the mass melting of <a href="https://mastodon.world/tags/glaciers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>glaciers</span></a>, and the end of the last ice age... <a href="https://mastodon.world/tags/climatechange" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>climatechange</span></a> <a href="https://mastodon.world/tags/globalwarming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>globalwarming</span></a> <a href="https://mastodon.world/tags/photosynthesis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photosynthesis</span></a> <a href="https://mastodon.world/tags/fossils" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fossils</span></a> <a href="https://mastodon.world/tags/southernocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>southernocean</span></a> <a href="https://mastodon.world/tags/iceage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iceage</span></a></p><p><a href="https://formuchdeliberation.wordpress.com/2025/03/24/sand-sized-fossils-hold-secrets-to-the-history-of-climate-change/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">formuchdeliberation.wordpress.</span><span class="invisible">com/2025/03/24/sand-sized-fossils-hold-secrets-to-the-history-of-climate-change/</span></a></p>