Toxic Nation | Pollution. It's In You.

Check out Kevin McMahon's award-winning feature documentary, Waterlife, a Canadian film which tells the story of the Great Lakes, the last vast supply of fresh water on Earth.

The film explores the mixture of toxins and pollutants threatening the health of the Great Lakes, and the impacts this may have on the survival of surrounding ecosystems and populations.

A three-year cancer prevention study, funded by the Canadian Cancer Society, will look at the incidence of bladder and kidney cancer associated with environmental exposure to arsenic in drinking water.

Health Canada will collect samples from 60 water-treatment plants and distribution systems across the country to test for potential contaminants. The tests are being done as a precaution over concerns raised by the scientific community about contaminants in tap water which may be linked to increased risk of cancer and other health issues.

The tests will focus on the following: