Dueling press releases: Plants have been helping to offset climate change, but now it’s up to us

Our previous story, Study suggests increased atmospheric CO2 creates a 30% growth in plant photosynthesis during last two centuries look almost entirely different than this press release from the CARNEGIE INSTITUTION FOR SCIENCE on the very same study. Plants have been helping to offset climate change, but now it’s up to us Findings affirm estimates used in…

Study suggests increased atmospheric CO2 created a 30% growth in plant photosynthesis during last two centuries

From the UNIVERSITY OF CALIFORNIA – MERCED and the “CO2 is plant food, but, it’s still terrible department” (see text) Research shows global photosynthesis on the rise Plant photosynthesis was stable for hundreds of years before the industrial revolution, but grew rapidly in the 20th century, according to new research published today in Nature. “Virtually…

CO2, Good or Bad?

Guest essay by Andy May This version corrects an error in the average concentration of water vapor in the atmosphere. The Earth’s dry atmosphere is 78% nitrogen, 21% oxygen and 0.9% argon. These are not greenhouse gases and they total 99.9%, leaving little space for the greenhouse gases methane, carbon dioxide and water vapor. The…