Planet in Peril (PinP) "Where science gets respect." For well over a month, dozens of wild fires have raged in British Columbia and the Northwest Territories, producing record smoke over Canada. NASA photo.
The northern edge of North America is getting steadily greener. In the most detailed study so far of plant growth across Alaska and Canada, scientists say that about a third of the land cover now looks less like tundra, and more like a warmer ecosystem. Story here.