News Headline
Environmental sciences: Troubled waters on the Great Lakes
Source
Nature
Publication Date
2017-03-23
The Great Lakes that straddle the border of Canada and the United States hold one-fifth of Earth's surface fresh water, and cover almost 250,000 square kilometres — an area larger than the United Kingdom.
Content
http://www.nature.com/nature/journal/v543/n7646/full/543488a.html