Hurricane!

Extra CO2 doesn't really help plants, it just creates global warming.

Just like all of nature’s creatures, plants show an adaptiveness to increased CO2 levels that indicate they do not simply absorb the extra. After taking in what they need, the stomata (mouths) on the leaves that take in air and moisture close, preventing the plant from throwing itself into disequilibrium. This disproves those who say that global warming and increased CO2 in our atmosphere will merely result in bigger and greener plants. See more at NASA’s Earth Observatory News.