Lake Tahoe, on the border of California and Nevada, is North America's largest alpine lake. Like most other lakes in the world, it's warming up. (Photo by NASA)
The world’s major lakes have been warming at a “rapid” rate since 1985, according to a survey released this week by the National Aeronautics and Space Adminstration (NASA). Using data from infra-red sensors mounted on satellites, the study found average surface-temperature warming in large lakes around the world of up to one degree Celsius (1.8 degrees Fahrenheit) per decade. Continue reading
