News Climate

Rising CO2 levels might not be as good for plants as we thought

Long-term experiment finds a surprising flip in the rules for plant photosynthesis

field experiment of CO2 levels

GREENHOUSE GASSED  In a long-running field experiment in Minnesota, scientists are studying the effects of rising atmospheric carbon dioxide levels on plots of grassland.

Jacob Miller, Cedar Creek Ecosystem Science Reserve (CC BY-SA 4.0)

By Erika Engelhaupt

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