An EPA competition launched with 14 participants in 2010. Now 3,300 buildings are competing, with some unusual entrants in the metro region.
Traffic engineer Sam Schwartz explains why he's optimistic about the future of transportation in NYC.VIDEO
Solar and wind power in private buildings have a give-and-take relationship with the electric grid.
Former Mayor Ed Koch has called for closing the aging nuclear plant in Westchester County, saying it poses a danger to the 8 million people who live 24 miles to the south in New York City – especially in the wake of what was learned from the Fukushima disaster.
New Jersey DEP Commissioner says the organization is investigating ways to cope with rising sea levels and flooding, as well as improve air quality and keep state parks open.VIDEO