A federal appeals court on Tuesday ordered the Environmental Protection Agency to relax some limits it set on smokestack emissions that cross state lines and taint downwind areas with air pollution from power plants.
The Justice Department and the former owner of a western Maryland paper mill are at odds over how to resolve an air-pollution case.
A new study by the U.S. Geological Survey says more data is needed to be able to say for sure if a link exists between unconventional oil and gas development and degraded water quality.
Maryland lawmakers are targeting phosphorous pollution of the Chesapeake Bay.
A new study estimates nearly 270,000 tons of plastic is floating in the world’s oceans. That’s enough to fill more than 38,500 garbage trucks.
People are changing Earth so much, warming and polluting it, that many scientists are turning to a new way to describe the time we live in. They’re calling it the Anthropocene — the age of humans.
A machine that runs on water and sunshine has helped an environmental group in Baltimore remove more than 50 tons of trash from the city’s Inner Harbor in a little over a month.
Governors from states neighboring the Chesapeake Bay signed a new agreement Monday that will require state officials to submit plans in 90 days on how they specifically plan to fight pollution in the nation’s largest estuary.
The federal government’s new plan for reducing pollutants blamed for global warming recognizes the value of steps Maryland has already taken, Gov. Martin O’Malley said Monday.
The Environmental Protection Agency has announced a plan that will set the first-ever national carbon pollution standards limits for America’s existing power plants.