Out of 3,772 hopefuls who applied last summer, only 17 are still in the running to become Canada’s next two astronauts. Here’s a look at the 17 men and women vying for a position with the Canadian Space Agency.
China's conversion of coal into natural gas could prevent tens of thousands of premature deaths each year. But the move threatens to undermine efforts to rein in greenhouse gas emissions, researchers said Tuesday.
Federal government scientists say they have devised an accurate way to directly measure air pollutants from oilsands mines and suggest industry estimates for certain harmful emissions have been much too low.