, 12 tweets, 5 min read
#OnThisDay, one year ago, the @IPCC_CH published its Special Report on the #ParisAgreement 1.5ºC temperature target, which has transformed scientific, political and societal discourse on #ClimateChange
Today we're reflecting, courtesy of some graphics from our very own @johnlangab, what the #SR15 report told us about the reduced impacts and reduced risks of keeping global warming to 1.5ºC rather than 2ºC
First up, a reduction in very hot years. Which of course means fewer people exposed to health risks of extreme heat
In Europe, a reduction - albeit small - of drought damage: and globally, a big reduction in floods
Sea-level rise: 2100 is too soon to see the really big differences between impacts at 1.5ºC and 2ºC, but they are visible
Do you like the Arctic Ocean with year-round ice on it? If so, here's a big reason, a ten-fold one, for the 1.5ºC target
The numbers for coral reefs look pretty grisly for both levels of global warming... but much grislier at 2ºC
In fact, for impacts on nature generally, there's a big difference between 1.5 and 2ºC
Being a UK-based organisation we also looked to see what we could draw out about this one nation particularly. Here's your takeaway
As well as increasing impacts, allowing global warming of 2ºC will increase risks - that's another key message from the science of #SR15. Some opportunities too. Here's the picture for the UK and to a certain extent you can extrapolate this to neighbouring countries
If you want all of these numbers in one handy cut-out-and-keep guide ready for the next time you encounter someone you feel needs to know this stuff... here you go eciu.net/news-and-event…
There's much more detail of course in the @IPCC_CH report itself which you can download here ipcc.ch/sr15/. Meantime, worth bearing in mind the report's other conclusion - that keeping warming to 1.5ºC is just about doable. Just about
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