Sponges tell us that the warming started in the 1860s
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Caribbean sea sponges suggest world may already have breached key 1.5C climate threshold
https://www.sbs.com.au/news/article/caribbean-sea-sponges-suggest-world-may-already-have-breached-key-1-5c-climate-threshold/hm9gyz92o?dlb=[2024/02/06]%20del_newsam_bau_02&did=DM33589&cid=sbsnews:edm:acnewsam:relation:news:na:na
Global temperatures may have already risen by 1.5C since the pre-industrial period, according to an Australian-led team of researchers. And they warn that warming could reach 2C by the end of the decade.
It’s not surprising that we may have passed 1.5c however the confirmation that climate science is on the money is a worry.