Canadians have been coming to a greater understanding of the threat posed by global warming and the need for urgent action by governments, industry and the public at large. The Trudeau government has, more or less, taken up the cause. Provinces are recognizing the need for action, even as they fight over what that should be. Some multinational corporations are suddenly promoting themselves as environmental stewards. Concerned citizens are looking for ways to effectively reduce their carbon footprint. Yet progress has been slow and limited.