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Cycling like the Dutch would slash the world’s carbon footprint
(www.euronews.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 car desert that is suburbia can be split into micro cities (perhaps with bike friendly trains) with a few local food supplies and necessary services. Far from impossible with a cultural mind shift.