Nathanael Greene specializes in researching, analyzing, and influencing policies related to renewables. Within the broad category of renewable energy, he has expertise in wind power, solar power, biofuels, biopower, emergent clean technologies such as batteries and fuel cells, and the interaction of renewables and wildlife. He also understands the relationships among these technologies and the state and federal laws and regulations that can either promote or inhibit them. Greene holds a bachelor's degree in public policy from Brown University and a master's in energy and resources from the University of California, Berkeley. He is based in NRDC's New York City office.