It's not "too late to act," but it's obvious that no meaningful action will be taken.
We've already taken meaningful action; we are on track for 3°C by 2100 instead of 4°C. Thats a big deal
It’s not that it’s too late to act, it’s that in order to act we need to remove roadblocks that are practically immovable.
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.