Minnesotans: Ever think that the vegetation outside your window looks more lush in June than in January? Surprising new academic study suggests that you're wrong

Climate Change Helps, Then Quickly Stunts Plant Growth, Decade-Long Study Shows

Newswise — FLAGSTAFF, Ariz. (April 8, 2012) — Global warming may initially make the grass greener, but not for long, according to new research conducted at Northern Arizona University.
The study, published this week in Nature Climate Change, shows that plants may thrive in the early stages of a warming environment but begin to deteriorate quickly.