Donna De Costanzo is a Senior Attorney and Director of Northeast Energy and Sustainable Communities at the NRDC where she advocates for the implementation of policies that increase energy efficiency and renewable energy deployment and promote sustainable communities and smart growth, with a primary focus on New York State and New York City. Prior to the NRDC, Donna 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 drafted legislation regarding various issues, including air and water quality, climate change, energy efficiency, endangered species, and green procurement. Before joining the Council, Donna was an Assistant Regional Counsel in the Waste & Toxic Substances Branch of the U.S. Environmental Protection Agency, Region II. She is a graduate of New York University School of Law and received a B.S. in Biological Sciences from Cornell University.