CanSAR is a recognized 501(c)3 organization dedicated to the prevention of radon induced lung cancer and saving lives through education, outreach, and advocacy. RADON GAS is the leading cause of lung cancer in nonsmokers and second only to tobacco. It is the leading environmental cause of cancer mortality. By donating to CanSAR you will help our efforts to increase radon awareness, testing and mitigation; thus saving lives. Over 20,000 people lose their lives to radon-induced lung cancer each year.