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 genetics of which will likely be owned by Mars in the same way genes are "owned" by genetics and pharma companies so that any drugs or treatments are monopolized and sold at whatever price they feel like.
There's BIG money in having the rights to the only strain of broccoli, banana, cow etc. that survives. This isn't humanitarian, it's end-stage capitalism recognizing profit potential in the near future of doom and suffering.