NASA Study Finds Earth's Lakes are Warming

Since 1985 the temperature of water in lakes around the world have increased 2.5 times more than air temperature. On average the temperature of lakes has gone up 2 degrees in the last 30 years. There are approx 30,000 lakes in Canada and 1,000 in BC.

SOURCE: http://www.jpl.nasa.gov/news/news.cfm?release=2010-393