Watson’s instinct is to keep the uncertainty visible. For him, caution is not complacency. It is a demand for precision.<\/p>\n
Rahmstorf draws a different lesson from the same uncertainty. He sees a risk that is low enough to remain debated, but severe enough to demand action.<\/p>\n
“We will not have certainty before it’s too late,” Rahmstorf says. “So we will have to act on our uncertainty.”<\/p>\n
The science does not offer a neat ending. It offers probabilities, warnings, caveats and arguments between experts who weigh the same clues differently.<\/p>\n
But they agree on what is driving the risk.<\/p>\n
The AMOC is being stressed by the warming of the planet. The more greenhouse gases humanity releases, the greater that stress becomes.<\/p>\n
Cutting emissions does not remove every uncertainty. It does not guarantee the Atlantic will behave as scientists hope.<\/p>\n
But it reduces the pressure on a system no society can afford to push too far.<\/p>\n
Somewhere in the North Atlantic, the floats will keep diving, drifting and surfacing – measuring a circulation that is still moving, still mysterious, and still capable of surprise.<\/p>\n
Whether the AMOC is simply weakening, or being pushed towards something more abrupt, remains unresolved.<\/p>\n
But the safest response is already clear.<\/p>\n
Top image credit: Getty Images<\/p>\n
Graphics by Erwan Rivault<\/p>\n","protected":false},"excerpt":{"rendered":"Watson’s instinct is to keep the uncertainty visible. For him, caution is not complacency. It is a demand…\n","protected":false},"author":2,"featured_media":692080,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[59,90,56,54,55],"class_list":["post-692079","post","type-post","status-publish","format-standard","has-post-thumbnail","category-science","tag-gb","tag-science","tag-uk","tag-united-kingdom","tag-unitedkingdom"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/692079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/comments?post=692079"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/692079\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media\/692080"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media?parent=692079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/categories?post=692079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/tags?post=692079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}