This week in Shades of Green, Zack explores the koki'o tree, one of the rarest plants in the world, and its persistence in a world of change.
Salmon have been an integral part of Canada's identity, but the Lake Ontario of today is a pale reflection of its historic self, once containing fish we might have saved with the benefit of forethought.
Environmental news from the week of July 3 - July 9, 2016