"Afforestation: This technique would irrigate deserts, such as those in Australia and North Africa, to plant millions of trees that could absorb carbon dioxide.
Drawback: This vegetation would also draw in sunlight that the deserts currently reflect back into space, and so contribute to global warming."
This is not true. The darker vegetation, while drawing in more sunlight would use this energy to drive photosynthesis, there would be no temperature rise, there would only be increased carbon capture, with more oxygen released.
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