700
Class war solves most issues
(lemmy.nz)
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.
Minor nitpick: don't compare millions to billions if you can afford it. Say something like "16 million VS 3350 million tons of CO2". The meat of your point is 16 vs 3350, so highlight it!