University of Calgary scientists are working on a machine that would pull carbon dioxide from the air in an attempt to scrub out emissions from diffuse sources, such as car exhaust and home heating.

Those intrepid Canadians are up to their environmental hijinks again. Scientists at the University of Calgary have built a machine that will suck carbon dioxide out of the air in an attempt to ...

University of Calgary climate change scientist David Keith and his team are working to efficiently capture the greenhouse gas carbon dioxide directly from the air, using near-commercial technology. In ...