In the remote high-altitude landscapes of Bolivia, Laguna Verde is a breathtaking natural wonder, but also one of the most toxic lakes on Earth. With its striking emerald-green waters, the lake ...

Toxic red algae blooms in Florida have spread to metropolitan counties ... One heavy source of nutrient-rich outflow is Lake Okeechobee, one of the largest freshwater lakes in the country. It's ...

The lake’s crimson-red waters are framed by a backdrop of towering ... Turns out, the lake’s algae, which is toxic to other ...

When the U.S. Army Corps of Engineers flushes water from Lake Okeechobee down to rivers and estuaries, including the Caloosahatchee and St. Lucie rivers, all the nutrient pollution and toxic ...