Plants take in CO2 from the air to grow—and today’s atmosphere has about 50% more CO2 than it did before we started burning massive amounts of fossil fuels. So, is that great news for plants? Prof. David Des Marais, a plant ecologist at MIT, helps answer this listener question.

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Credits

Laur Hesse Fisher, Host and Executive Producer

David Lishansky, Editor and Producer

Aaron Krol, Writer and Producer

Andrew Moseman, Science Reporter

Michelle Harris, Fact Checker

Music by Blue Dot Sessions

Artwork by Aaron Krol