"President Obama's energy team is mandating up-front standards for smart grid technology to ensure that what is built by the disparate forces involved works and is efficient."

Summertime and the grilling is easy... but how environmentally friendly is it? Which type of grill is greener: gas or charcoal?

Legislators often contact South Carolina's Department of Health and Environmental Control seeking to expedite -- or influence -- environmental permits.

"A lawsuit filed by about 5,700 Baton Rouge residents against ExxonMobil Corp. over a 1993 fire crawled through federal court for almost 15 years and has finally come to an end -- the residents lost, lawyers said."

"Evergreen Solar Inc., one of Massachusetts’ rising green energy stars, is on its way to becoming one of the state’s top producers of hazardous waste."

"The goal of a new CDC Website, the National Environmental Public Health Tracking Network, is to become a one-stop shop for anyone who wants to investigate environmental causes of illness, from asthma to well water."

Some 50 chemicals which can potentially harm human health are contained in food packaging.

Tough new efficiency standards haven't killed the incandescent light bulb -- but instead are spurring inventors to make better ones.

"Wildlife biologists and climate scientists overwhelmingly agree that the disappearance of Arctic sea ice will lead to a sharp drop in polar bear populations. But some skeptics remain unconvinced, and they have managed to persuade the Canadian government not to take key steps to protect the animals."

"There is rising concern among polar bear biologists that the big recent summertime retreats of sea ice in the Arctic are already harming some populations of these seal-hunting predators."