Lake Superior's warming waters make it prime territory for popular sport fish like the walleye -- and for invasive nightmares like the lamprey.
The killers: Cheaper alternatives, dropping demand, and rising costs of generating electricity with dirty coal.
The Big Apple might not be a farming hub, but its residents have higher exposure to pesticides than most Americans. Scientists tell us why.
Duke University researchers discovered radioactive isotopes at alarming concentrations in a creek where fracking wastewater is dumped.
Yosemite National Park's largest glacier could disappear within 20 years, robbing the park's ecosystems of a steady water supply.
A failing fracking company says Canadians owe it $250 million because of a ban on fracking beneath the St. Lawrence River in Quebec.
While the federal government hacks away at spending on weather forecasting, Monsanto is taking the opposite approach.
Palo Alto will update its building codes, requiring all new homes to be prepped for electric vehicle chargers.
A couple's homeland is being lost beneath rising seas. Does New Zealand have any obligation to give them asylum?