Rivers in Alaska have been running bronzish-orange… because the permafrost is melting.
The ‘perma’ frost, is melting.
That has huge amounts of methane locked up in at.
Which is 8 to 80x more effective at being a greenhouse gas than CO2.
And also ancient bacteria that could cause previously unknown kinds of diseases in wildlife and possibly humans, they now may or may not be seeping into the environment.
…
We have already had a consecutive 12 months at or above 1.5C global average temps, as of last month.