1/
In 2019 I realised a number of climate scientists think it likely we'll go over 3C, even 4C.
This study confirms 1.9C or less is too much.
2/
So, it's worse.
'the CO2 fertilisation effect may not be as large as some estimates suggest..."If that is the case, then the carbon losses from tropical forests will be larger.”'
So, it's worse.
In any case, though a very good article, the headline is misleading because of this assumption that we should all consider 1.6 - 1.8C as achievable, when really we should see it as extremely unlikely.
4/4