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Is CO2 plant food?
David Lobell gives me the answer
I read on Twitter that “CO2 is plant food.” That didn’t seem right, so I asked David Lobell, one of the world’s experts on climate change and agriculture. He’s a professor at Stanford, a MacArthur genius grant recipient, a member of the National Academy of Sciences, and an all-around good guy.
Here’s what he said:
The bottom line:
Me: So are you worried about the climate impacts on agriculture?
David Lobell: Yes. I think the evidence is very clear that, on net, the changes going on in the atmosphere, including all the climate changes, are a risk to a lot of major production systems and to a lot of food insecure areas. So there's definitely a reason that we that we continue to work on how to adapt to these changes.
So next time someone says “CO2 is plant food,” please send them this post.
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