Maybe stop calling sentient beings food is a good first step.
Climate - truthful information about climate, related activism and politics.
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.
That argument has been around since antiquity, and hasn't been effective.
It takes something more.
"I have tried nothing and Im all out of ideas."
If you're not vegan, you're a part of the problem.
We don't need everyone to be 100% vegan all the time. It would be best, but that's not really possible for many many reasons.
We do need to reduce our consumption of animal products altogether for sure, even a 30% reduction worldwide would have an absolutely massive impact. Don't let perfect be the enemy of good enough.
The more people that go vegan the more people there are that see the genocides that are happening for what they are and would fight to stop them. All we need is a tipping point amount of vegans.