Researchers have found that methane emissions from local natural gas distribution systems across the U.S. have decreased in the past 20 years.
The District of Columbia’s top environmental official will be taking a spin in a new car that’s powered by air.
A multi-state agreement calls for a 45 percent reduction next year in allowable greenhouse gas emissions from power plants.
America’s CO2 emissions may have reached a 20-year low. But why?
Prince George’s County fire officials are warning residents to be aware of unhealthy air quality.
Maryland is not meeting federal ozone standards and isn’t likely to do so without federal policies to address pollution blowing in from other states.
Environmental groups say an aging, coal-fired power plant in Washington County that is being closed by FirstEnergy along with five others did not comply with Maryland’s 2006 Healthy Air Act.