The New Jersey-New York Expansion Project has sparked protests and legal challenges along its proposed route, particularly in Jersey City and the West Village.VIDEO
The city has called for replacing the heavy heating oils used in buildings with substantially cleaner fuels by 2030. That will likely mean an increased reliance on natural gas.
How do you reduce noise in one of the loudest cities in the world?
Do NYC urban planners have infrastructure and environmental advice for slum-filled cities in other parts of the world?
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.