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Enviros train drone pilots to find and pursue pollution

Brent Walls, left, the Upper Potomac Riverkeeper with Potomac Riverkeeper Network, teaches Robby Lewis-Nash, a staff writer with Friends with Casco Bay in Portland, Maine, how to catch a drone with his hand during a training session, Tuesday, June 7, 2022, in Poolesville, Md. They work to protect rivers and waterways and have begun using drones to catch polluters in places where wrongdoing is difficult to see or expensive to find. The images they capture have already been used as evidence to formally accuse companies of wrongdoing. (AP Photo/Julio Cortez) Brent Walls, left, the Upper Potomac Riverkeeper with Potomac Riverkeeper Network, looks on as Quincey Johnson, outreach director Upper Missouri Waterkeeper in Bozeman, Mont., pilots her first-ever drone flight during a training session, Tuesday, June 7, 2022, in Poolesville, Md. Walls and other people who work to protect rivers and waterways have begun using drones to catch polluters in places where wrongdoing is difficult to see or expensive to find. The images they capture have already been used as evidence to formally accuse companies of wrongdoing. (AP Photo/Julio Cortez) In an image captured by Brent Walls on a drone, discharge from a rock mine seeps into a stream on Nov. 3, 2018, in Blue Ridge Summit, Pa. On the left side of the photo, there is a milky-gray substance flowing that environmentalists say supported their allegations that the Specialty Granules rock mine was violating its Clean Water Act permit. (Brent Walls via AP) CORRECTS LAST NAME TO LIVELY FROM LIZELY - Quincey Johnson, left, outreach director Upper Missouri Waterkeeper in Bozeman, Mont., and Martin Lively, Grand Riverkeeper with LEAD Agency in Miami, Okla., fly their drones during a training session, Tuesday, June 7, 2022, in Poolesville, Md. They work to protect rivers and waterways and are training to use drones to catch polluters in places where wrongdoing is difficult to see or expensive to find. The Waterkeeper alliance has already used drone images to formally accuse companies of wrongdoing. (AP Photo/Julio Cortez)
Enviros train drone pilots to find and pursue pollution