It's good to plant trees, but beware of folks using it as cover to avoid more important work like actually reducing fossil fuel usage: https://art19.com/shows/the-climate-deniers-playbook/episodes/5322de3f-ffc0-4258-a890-c648f59bc195
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.
Climate change requires every solution and then a couple more. There is no "less impactful than" with climate change mitigation/reversal. We need all of it and then some.
The problem is not with people focusing in reforestation. It's with corporations using the funding of reforestation to greenwash or "balance" their more harmful practices. The point is that they need to stop doing harm. After that, how they choose to do good is a secondary issue.
The most pertinent part of the equation is that it is not profitable on any timescale businesses consider relevant.
It doesn't matter what intrinsic value something has. What matters is how much value you can convince external parties to invest and commit .