<p>The tea cup analogy is one way of getting the point across – that the Earth is absorbing ever more heat. It’s something to remember as national promises of pathways to net zero become increasingly diluted, delayed, mocked or forgotten, and as investments in fossil fuels rise steeply: a path that might briefly enrich oil company shareholders, but that will permanently impoverish and endanger everyone else, for <a href="https://www.sciencedirect.com/science/article/pii/S0921818124002157">countless generations to come</a>. </p>
<p>Better by far to invest instead in energy sources that are not carbon-based. That’s something to ponder on, over a cup of tea.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img src="https://counter.theconversation.com/content/286916/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important" referrerpolicy="no-referrer-when-downgrade" /><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https://theconversation.com/republishing-guidelines --></p>
<p><span><a href="https://theconversation.com/profiles/jan-zalasiewicz-153171">Jan Zalasiewicz</a>, Professor of Palaeobiology, <em><a href="https://theconversation.com/institutions/university-of-leicester-1053">University of Leicester</a></em>; <a href="https://theconversation.com/profiles/colin-summerhayes-2726922">Colin Summerhayes</a>, Marine Geologist and Oceanographer, Scott Polar Research Institute, <em><a href="https://theconversation.com/institutions/university-of-cambridge-1283">University of Cambridge</a></em>, and <a href="https://theconversation.com/profiles/martin-j-head-1518648">Martin J. Head</a>, Professor of Earth Sciences, <em><a href="https://theconversation.com/institutions/brock-university-1340">Brock University</a></em></span></p>
<p>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/7-6-billion-mugs-of-tea-a-second-a-new-way-to-make-sense-of-the-heat-pouring-into-our-oceans-286916">original article</a>.</p> </div>