LEED

The Public Service Enterprise Group's (NYSE: PEG) Energy & Environmental Resource Center (EERC) opened its environmentally-friendly doors to the public during a grand opening ceremony last week in Salem, N.J.

The Green Building Initiative (GBI) recently announced the 100th building in the U.S. that has been certified through the Green Globes environmental assessment and rating system.

Adopting energy efficiency helps businesses. Take Teaneck, New Jersey-based Encelium Technologies for example.

Net zero buildings – which consume so little power that they take nothing from the grid– have been the holy grail of energy efficiency experts for years.

Sealing up homes and offices saves energy and is mostly a good thing, except when the air inside is full of CO2 with no good place to go, which is where the eSense Fresh Air Indicator from CO2Meter.com enters the picture. 

Education is extremely important no matter what topic leads a discussion, and New York-based CleanEdison is a proven leader in education.

Green building is being sweeping the nation. Corporations from McDonald's (NYSE: MCD), who retrofitted its 1980s Oak Brook, Ill., headquarters with renewable technology to achieve the U.S.

Five states and one US territory are receiving over $141 million in federal economic stimulus funds for state-based renewable energy and energy efficiency programs. It's just part of the $3.1 billion allocated to State Energy Programs (SEPs) under the Recovery Act.

Energy efficiency is not just chic, it is becoming practical and lucrative.

Using careful but easily understood criteria, the editorial team at the Mother Nature Network (MNN) has come up with their top ten "green" cities in the U.S..