1 year ago, Alberta’s premier sought to lock down a ‘leaky’ border. Here’s what’s happened since

For the first few months of Mark Carney’s prime ministerial tenure, Canada’s climate community of advocacy groups, think tanks, journalists, and scientists held their judgement—and their breath. A former United Nations special envoy on climate action and finance was now running the country; surely, that was a good thing. But the moment he took office, he stopped talking about emissions. Where was this going, exactly? Give him a minute, the thinking went. Consider the political landscape. Canadians elected Carney to confront United States president Donald Trump, not climate change, and...