Canadian Press: Newly published research says climate change has already altered seasons in the Arctic to make them more like southern regions.
And while tundra plant communities are already becoming shrubbier, scientists behind the paper say there's no way to predict what's going to happen as the change continues.
"We are doing a strange experiment," said Ranga Myneni of Boston University, co-author of the paper published Sunday in Nature Climate Change.
It's long been known that climate change is proceeding...