As the market for floatovoltaics explodes, scientists are studying how to make the systems also work for waterbirds and other ...

The small town Plympton, Massachusetts, eliminated 305 tons of garbage a year by making everyone pay for what they toss.

When you outlaw or discourage the sale of plastic bags, fewer of them end up as litter on beaches.

Experts fear that both budget and staff cuts at the EPA will curtail the necessary air monitoring of wildfire smoke, a public health risk.