THE TAKEAWAYThe end of summer is just a few weeks away, and millions of people are heading to lakes across the country to soak up the last days of the season.But beneath the beauty of some of these waters, an invasive species is quietly taking over.

THE TAKEAWAYThe end of summer is just a few weeks away, and millions of people are heading to lakes across the country to soak up the last days of the season.But beneath the beauty of some of these waters, an invasive species is quietly taking over.