Canada must update guidelines on cancer-causing radon, advocates say

Environmental advocates say it's time Health Canada updated its threshold on mitigating radioactive home radon levels. Data shows almost half of all detached homes in Canada have levels of potentially cancer-causing radon gas that exceed World Health Organization guidelines. #news #canada #cbcnews The National is the flagship of CBC News, showcasing award-winning journalism from across Canada and around the world. Led by Chief Correspondent Adrienne Arsenault, our team of trusted reporters helps you make sense of the world, wherever you are. Subscribe to get the latest news daily, and watch live starting at 9 p.m. ET. https://www.youtube.com/user/CBCTheNational?sub_confirmation=1 More from CBC News | https://www.cbc.ca/news