It looks like the Great Green Wall (https://en.wikipedia.org/wiki/Great_Green_Wall_(Africa)) may not be as helpful as wished. Can this be so?
If this is true, I have questions about Ecosia tree planting efforts.
Ecosia supports over 20 tree-planting projects in 15 different countries; Peru, Brazil, Madagascar, Nicaragua, Haiti, Colombia, Spain, Morocco, Senegal, Burkina Faso, Ghana, Ethiopia, Uganda, Kenya, Tanzania and Indonesia.
If the map from the article is true, that would mean that planting trees in Morocco, Senegal, Kenya and parts of Ethiopia are actually counter productive and will increase climate than reducing it.
This article talks about albedo but ignores changes in the water cycle. I wouldn't take its results at face value.
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.