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Credit: WTOP/Michelle Basch

‘It caught our attention’: Air pollution spikes in DC after fireworks

Used as a natural Viagra in Chinese medicine, seahorse numbers are declining

The world’s rivers are contaminated with antibiotics, new study shows

Record-breaking sea dive finds plastic bag in world’s deepest trench

DC, nearby counties receive failing grade for healthy air

Toxic air pollution to shorten children’s lives by 20 months, report says

More pollution

Md. may expand tax credits for electric vehicles

New report from environmental group details reduced enforcement at EPA

EXCLUSIVE: Loudoun Co. supervisor chair opposes new Rockwool factory in nearby W.Va.

Maryland suing EPA on power plant pollution in other states

Crumbling Capital: Major Potomac spill would cripple DC water supply

Sitting at red lights hazardous to health, study finds

EPA report: 3 states fall short of Chesapeake Bay pollution goals

Local states among most polluted in America

Consider air quality when planning outdoor activities