Donna De Costanzo

Director, Climate & Energy Program | Natural Resources Defense Council

Donna De Costanzo advocates for the implementation of policies that increase energy efficiency and renewable energy deployment as well as promote sustainable communities and smart growth, with a primary focus on New York State and New York City. Prior to NRDC, De Costanzo was counsel to the New York City Council’s Committee on Environmental Protection, where she advised the speaker and council members on environmental policy and crafted legislation on various issues, including sustainability planning, climate change, clean energy, air and water quality, endangered species, and green procurement. Before joining the New York City Council, De Costanzo was an assistant regional counsel in the waste & toxic substances branch of the U.S. Environmental Protection Agency, Region II. She holds a bachelor’s degree in biological sciences from Cornell University and a JD from New York University School of Law. She is based in New York City.