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WAMU 88.5

D.C.'s Stonehenge: The History of the McMillan Sand Filtration Site

The McMillan sand filtration site is a prominent D.C. landmark, but relatively few people know the full history of the structure.


To Save Threatened Owl, Another Species Is Shot

The rare northern spotted owl species faces habitat loss and, now, intruding barred owls. A biologist, and the federal government, have made a difficult decision — killing one owl to ward off the extinction of another.

An Old Tree Doesn't Get Taller, But Bulks Up Like A Bodybuilder

An aging tree's girth is good for the planet, scientists say, because it helps it suck more carbon dioxide out of the air. "It's as if, on your favorite sports team, you find out the star players are a bunch of 90-year-olds," one ecologist says.

Pregnant Women Warned Against Drinking Water In W.Va. Area

The CDC says pregnant women should stick to bottled water until all traces of a coal-treatment chemical are gone from the local water supply.
WAMU 88.5

Park Service Not Budging on Rock Creek Park Deer Culling Debate

Despite an outcry from some residents and animal rights groups, the National Park Service insists that killing deer with sharpshooters is the most effective way to control their population in Rock Creek Park.

Feds Arrive In W.Va. To Probe Chemical Leak

A team of federal investigators from the Chemical Safety Board is in West Virginia to look into that massive chemical leak into the Elk River that contaminated the water in nine counties. Local authorities say the water quality is improving but they're not ready yet for a large-scale lifting of water bans. The leak originated from a storage tank owned by Freedom Industries.

Mysteries Persist Surrounding West Virginia Chemical Spill

West Virginia officials told residents Monday to flush out their home water systems before using the tap water again. Tests at the affected water treatment plant show almost no contamination. However, some toxicologists say, the spill shows how little is known about many chemicals in common use.

California's Pot Farms Could Leave Salmon Runs Truly Smoked

Marijuana cultivation is booming along the state's North Coast. But these plantations, critics say, guzzle enormous amounts of water while also spilling pesticides and fertilizers into waterways that are important sources of the West Coast's salmon species.
WAMU 88.5

Maryland Environmentalists Pushing For 18-Month Delay Of Fracking Permits

Opponents of the drilling technique hydraulic fracturing, commonly called "fracking," are asking that the Maryland General Assembly approve an 18-month moratorium on the practice in the state.