 | Weather and Meteorology Learn about Environment Canada's hundreds of scientists, engineers, meteorologists, climatologists, technicians and specialists who are working hard to forecast and study our ever-changing weather conditions, so that you can be better prepared for what the weather brings. |
 | Clean Air Learn about how Environment Canada is a world leader in clean air science research. This important work is part of our mission to better understand air pollution, its levels, causes and sources, to keep Canadians informed about the air we breathe every day. (text and video) |
 | OASIS-Canada Every spring in the Arctic, the greenhouse gas ozone and the toxic chemical mercury, which are both normally present in the North, suddenly disappear from the air along the coast of the frozen ocean. |