In 2019, Arizona scientists withheld rain from Biosphere 2s rainforest for 9.5 weeks; carbon storage fell 70% before rain returned and recovery began

Biosphere 2, a University of Arizona research site in Oracle, Arizona, houses a glass-enclosed rainforest where scientists ran a drought experiment in 2019. (Wikimedia Commons)

If you forget to water a houseplant for a week or two, it will droop quickly. Now imagine doing that to an entire rainforest on purpose. That is what scientists at Biosphere 2 in Arizona did in 2019. In a Science paper, Werner and colleagues describe how they turned off the rain for 9.5 weeks … Read more