Some Alberta rivers and streams have already been heavily contaminated by coal mining, unreported government data suggests.

Coal mining is already having an impact in Alberta's Rocky Mountains even as debate intensifies over the industry's presence in one of the province's most beloved landscapes.

Alberta has decided to cancel recently issued coal leases in the Rocky Mountains, as public opposition grows to the United Conservative government's plan to expand coal mining in the area.

First Nations, ranchers, municipal officials and environmentalists hope to persuade a judge this week to force Alberta to revisit its decision to open one of the province's most important and best-loved landscapes to open-pit coal mining.

At least five popular recreation areas in southern Alberta are surrounded by coal exploration plans and one of them has been partly given over to an exploration lease, raising questions about their future with lovers of the outdoors.

Federal politicians and northern First Nations expressed concern over on Wednesday's, January 6, 2021, sale of energy leases in Alaska's Arctic National Wildlife Refuge.

To the uninitiated, they look like chipped rocks. To Julio Mercader of the University of Calgary, they look like two-million-year-old messages from the dawn of human technology.

The natural regions Canada protects don’t line up that well with where Canadians actually need them, research suggests.

The Alberta government says it won't be closing any provincial parks, whether it can find someone to run them or not.

Animal advocates have asked the federal health minister to review a decision that allows Alberta to keep using strychnine to poison wolves in an ongoing effort to preserve caribou herds.