"Maggie" Clarke is an American environmental scientist who specializes in recycling participation, waste prevention methods, waste-to-energy/incinerator emissions controls, environmental impacts of the World Trade Center fires and collapse, and community botanical gardening.
Since the September 11, 2001 attacks she has focused on increasing participation in New York City's waste prevention and recycling programs.
Clarke was the Department of Sanitation's specialist on emissions from incinerators from 1984 to 1988 and served on a National Academy of Sciences committee on Health Effects of Waste Incineration.
Clarke is a persistent questioner of United States Environmental Protection Agency's claims about the safety of the World Trade Center site.
[citation needed] Clarke has been chair or vice chair of the Manhattan Citizens' Solid Waste Advisory Board for 8 of the years since its inception in 1990.cShe co-founded and has been president of the Riverside-Inwood Neighborhood Garden (RING), a volunteer botanical garden in Upper Manhattan, since 1984.