Plants hoarding water as CO2 rises, study finds

Outlet: MSNBC

March 9, 2011

Florida’s vegetation has changed its structure over the last century in response to rising atmospheric carbon dioxide and ecologists see the change as a plant-based call-to-arms, heralding dry times to come. Plants breathe in air and breathe out moisture through tiny pores called stomata. Comparing a variety of contemporary plants growing in Florida with museum samples and peat bogs dating back 150 years ago, an international team of ecologists found that as the amount of carbon dioxide in the air has increased, the number of stomata on plants’ leaves have decreased…

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