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Taking CO2 out of the air would be an absurdly expensive way to fight climate change
(www.theverge.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.
Well the first step is to reduce or at least drastically eliminate the amount of CO2 that is being released in the first place. Removal of carbon from the air is necessarily going to have to be a down the road plan. It literally cannot happen to any scale if we are still relying on fossil fuels in the first place.