Mass tree planting may be one of the simplest and cheapest ways to help the environment – and now is the time to get started
My friend Ming is a friend of oaks. Whenever she sees a sapling that’s doomed to be mown or trampled, or has appeared in the middle of a vegetable bed, she is there to rehome it. Now, when I see an oak sapling in the wrong spot, I think of her and move it. To love trees is to invest hope in the future. To have faith in times to come is not easy right now, but there is scientific evidence that mass tree planting may be one of the simplest and cheapest ways to reduce our impact on our ecosystem.
We will need a lot of trees, however – more than a trillion, and they will have to span the globe. They will not negate climate change on their own, but they will store carbon, help clean the air, filter and slow down rainwater to help prevent flooding and, if a diverse bunch is planted, help increase biodiversity. A target of a trillion trees needs worldwide backing from every country and every government. It’s easy to feel pessimistic about the likelihood of that.
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