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Earth is heating up faster than at any time in its history
(www.newscientist.com)
Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.
As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades:

How much each change to the atmosphere has warmed the world:

Recommended actions to cut greenhouse gas emissions in the near future:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
The species who will suffer the most and go extinct has had nothing to do with this. The climate change is all on humans, but most other species will suffer and die along with us. There are species going extinct right this moment on account of climate change.
Meanwhile it is unlikely humans will go extinct, because we are much more capable of adapting than all those highly specialised species who suffers the most.