Johns Hopkins Hospital initially estimated the spill was around 200 gallons before revising that figure to 2,000 gallons and, finally, reporting Friday that it totaled 5,000 gallons.

Scientists say the Chesapeake Bay is still improving, even if this year’s grade marks a step back.

The diesel, used to power backup generators on the Hopkins medical campus, flowed into stormwater drains.

Officials said that roughly 18,000 gallons of water have been removed from the Inner Harbor, though it remains unclear how much of the 2,000 gallons of red-dyed diesel fuel that spilled a day earlier were included.

Efforts to clean up the spill could cause traffic problems in the Harbor East area on Thursday.

Maryland environmentalists had braced for Trump to again take a sledgehammer to the Bay Program.

After years of legal battles over the property, Hyattsville convinced state leaders to earmark funding this session for the Prince George’s County city to purchase the land.

The Baltimore City Department of Public Works released a statement about the water overflow confirming it was not a health hazard

Owning this land would fulfill a dream for many Hyattsville leaders, who have watched the property become blighted.

When the Key Bridge wreckage was cleared, environmentalists expected to find the oysters dead. They were happy to be wrong.

Harbor Splash will return for a second year, this time welcoming 200 participants, the Waterfront Partnership announced Wednesday.

The RENEW Act was among 23 bills Moore vetoed Friday, many of which he said put an unnecessary burden on the state as it manages a strapped budget.

Heavy rains this week led to the worst flooding parts of Allegany County has seen in nearly 30 years. Gov. Wes Moore declared a state of emergency.

A new report by Blue Water Baltimore found that water quality has declined somewhat in the harbor and its watershed since 2013.

Maryland wanted to make poor areas greener but instead it boosted the already rich and green neighborhood of Roland Park in Baltimore.

Liberty Reservoir, one of the region’s key water resources, has dropped to its lowest point in nearly two decades.

Curtis Bay Energy and one top official pleaded guilty in 2023, but a judge cleared the former plant manager on all counts.

Not long ago, a lush canopy blanketed Takoma Park’s old homes, but today, hundreds of trees across the city are gone.

The facility was faulted for blocked fire lanes and combustible mulch, but those don't appear to have contributed to the fire.

Synagro, a Baltimore County-based company that contracts with wastewater treatment plants, comes under fire for high levels of toxic forever chemicals.