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Bill Gates Says Climate Change ‘Will Not Lead to Humanity’s Demise’
(www.nytimes.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.
it's an FPGA chip forgotten by the world, fallen off an assembly line during an earthquake. it had lodged itself into a crevice of the factory floor. between earth and machine the chip had endured in perpetual limbo...