Our Planet Earth  photos courtesy of Astronaut Sunita Williams Go Green for Earth Day!  Green Big Apple | Green NYC...

Our Planet Earth  photos courtesy of Astronaut Sunita Williams Go Green for Earth Day!   "NYC CARBON CHALLENGE" ...

Mayor Michael Bloomberg introduced new initiatives to the city's long-term sustainability plan, PlaNYC , yesterday in anticipation ...

photos courtesy of Astronaut Sunita Williams Go Green for Earth Day: Green Real Estate Glossary Tips for Greening Your Apartment in 2009 Gre...

There are plenty of events being organized throughout the city in celebration of Earth Day, including nature walks, lectures, crafts, and co...