EPA says Pennsylvania has the largest commitment to reduce nitrogen among bay states.
Coming of age in the time of climate change, teenagers like Maddie have become foot soldiers of a new environmental movement, with 17-year-old Greta Thunberg as their standard-bearer.
In Maryland and across the nation, black people are becoming ill and dying at disproportionate rates because of the coronavirus pandemic.
Maryland officials say they plan to test a Chesapeake Bay tributary and oysters in St. Mary's County after a local resident found high levels of toxic chemicals in his tidal creek - a category of contaminants that have been traced to military and industrial sites nationwide.
In the fight against global warming, how far should governments go in forcing residents to change? One Maryland suburb is testing the limits.
A mysterious leak of red-dyed fuel into the Jones Falls has ended, and investigators traced it to a faulty generator at the State Center office complex, but the contamination is lingering in the Inner Harbor.
Ever since the federal license allowing it to operate the Conowingo Dam expired in 2014, Exelon Corp. has fought updated permit requirements that would better protect affected waterways and aquatic life for the next 50 years.