Lake Champlain

A conversation between Mitch Wertlieb and a Granville-base expedition scientist and conservationist, originally broadcast Dec. 30th 2025.

Little grains of salt can have a big impact on the environment.

Experienced Vermont skaters discuss the joys of skating on wild ice.

Satellite imagery has helped observers confirm the lake is covered in ice for the first time in seven years.

A new book explains how microplastics get into our waterways and into our bloodstreams.

Scientists have long considered excess phosphorus to be the culprit behind cyanobacteria blooms, which can be harmful to humans and other animals. But a recent University of Vermont study finds nitrogen also plays a key role in fueling them.

Ted Lawson has traveled the world and now directs ECHO, Leahy Center for Lake Champlain. Here’s what he’s learned.

The Midwest is home to five Great Lakes. But for a short time in the late 1990s, there were six — after one Vermont lake crashed the party.

Scientists say the fish are a reliable measure of lake and basin ecological health.

Before you head out to enjoy Vermont's lakes and ponds, it's a good idea to check the water status to make sure it's safe to swim — and refresh yourself on how to spot cyanobacteria on your own.