Shades of Green

Walmart/Mike Mozart.
Walmart embarked on a colossal effort at greening their supply chain. But under closer scrutiny, just how sustainable has the global megastore become?
Flint water tower. (Photo by George Thomas. 2016.) CC BY-NC-ND 2.0
The Tesla founder has vowed to make good on his Twitter pledge to restore Flint residents’ faith in the city’s water quality.
Pigeons perch on a window ledge. (Jan Mehlich. 2006.) CC BY-SA 3
Fewer animals are as at-home in cities as the rock pigeon. Yet while they live among humans worldwide by the tens of millions, where do they go when they die?
Last week I did something a little radical, defying a social norm so insidious I didn’t even realize it existed until I was face-to-face with it. In broad daylight, with the full attention of my neighbours, I spent an afternoon picking up trash.
The eastern wolf is smaller than its western and arctic counterparts, sporting a reddish brown and tawny coat. Their historical population is unknown.
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.
an adult Atlantic salmon in Norway
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.
Polar Bear
Ice cover in the Arctic was at an all time low during the first two months of 2016. This, among other things, is hastening the progress of global warming.
Examining the beginning of the reconciliation process for the wrongs done to pilot whales in the Atlantic.
Once a force of nature, only 140 caribou remain in Atlantic Canada.
Grey Whale
The grey whale was eradicated from the North Atlantic Ocean sometime in the 1700s, robbing us of the opportunity to learn about those who once swam the waters of Eastern Canada.
Wind Energy
In a new blog series, journalist Zack Metcalfe explores explores environmental issues like climate change and endangered species. This first post is all about renewable energy.
In the course of their 27-year study in the Gulf of St Lawrence, the Mingan Island Cetacean Study (MICS) discovered that whales are adapting to climate change faster than humans
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