How to enforce a public service policy you don't believe in

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...