Why some scientists are pressing the UN to prioritize climate tipping points cbc.ca - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cbc.ca Daily Mail and Mail on Sunday newspapers.
American pikas are more than just adorable little mountain dwellers they're also a potential canary in the coal mine when it comes to the impact of climate change on their ecosystem. B.C. researchers are now developing new ways to better monitor their populations.