This video explores Lake George, recently named the cleanest lake in the U.S., and reveals why its waters are so pristine. From mountain streams to diligent scientific monitoring, see why this East ...

The U.K. government is pledging to clean up Lake Windermere, a sewage-clogged beauty spot that has come to symbolize the filthy state of Britain’s waterways.

LONDON (AP) — The U.K. government pledged Monday to clean up Lake Windermere ... is part of the Lake District National Park, a UNESCO World Heritage site in northwest England that draws millions ...