The German city of Mannheim heats thousands of homes using ice-cold water. With the concept gaining ground around the world, DW reporter Tim Schauenberg took to the Rhine River to find out how it works.
The devices can heat and cool homes more efficiently than furnaces and air-conditioners, but their sales have slowed because of higher interest rates and a slow rollout of federal incentives.
Whatever else the Liberal government's carbon tax contortions have done, they may have boosted the cause of energy efficiency — particularly for low-income households. And there are now calls for the Trudeau government to go even further.
So you want to do something about climate change, but what? We have ideas. Some require a little planning, while others might mean one less thing on your to-do list.
