Scientist Tali Lee takes measurements of plant response to CO2 with student intern Ann Karpinski.

Scientist Tali Lee takes measurements of plant response to CO2 with student inte

Scientist Tali Lee takes measurements of plant response to CO2 with student intern Ann Karpinski.

Photo courtesy of: 
BioCON Experiment/NSF Cedar Creek LTER Site
From: 
Cedar Creek study finds lower than expected photosynthesis due to elevated carbon dioxide levels