The New York Times Green Inc. Blog

The Federal Trade Commission says that in many instances, Lights of America's LED bulbs produce significantly less light and have far less longevity than the company says in its marketing.

A review board suggests hiring dozens of new oil and gas drilling inspectors, giving additional training to those already on the job and investing regulators with more authority to cite violations and impose fines.

The area in which LED's will best replace compact fluorescent bulbs, an executive suggests, is in directional lighting.

A discovery could help extend the life of experimental high-efficiency solar cells, which often suffer from short lifespans when tested outside the laboratory, researchers say.

In any herd, some animals have an acute ability to take in environmental cues like temperature and geomagnetic fields and lead the way. But there also is an advantage to being less sensitive to such cues and more attuned to other members of the herd, a study suggests.

Arizona's Green Party is not amused by a Republican operative's effort to recruit people from the streets to run as Green candidates on the November ballot.

Like federal and state entities in the United States, the European Food Safety Authority is now re-evaluating BPA, in this case by analyzing the data from more than 800 studies.

Floods that destroyed crops and livestock only worsened a crisis that was already under way as a result of successive years of drought and failed harvests in the region.

Fresh investments in USEC, formerly the the United States Enrichment Company, reflect optimism on two fronts: that the worldwide market for enrichment will grow because of new plant construction and extended operation of old plants, and that a new type of centrifuge will prove practical.

A team at the Almaden Research Center of I.B.M. in California is trying to develop a new battery technology called lithium air that could allow a car to go 500 miles on a single charge. But a top researcher says that it will take many years, if it ever happens at all, to make the technology useful.

Turkey may be frustrated in its bid to become part of the European Union, but by the end of September, it will join Europe's electric grid.

The energy industry centered in Prudhoe Bay is the economic engine of the North Slope, helping preserve the Inupiat culture, but it also presents a potential threat to that culture. Mayor Edward Itta of the North Slope Borough e-mailed answers to our questions about these conflicts.

As lawmakers call for new inquiries into Thursday's accident, oil industry executives say it will now be more difficult to lift the government's offshore drilling moratorium in the Gulf of Mexico.

A group of fisheries scientists argue that the Marine Stewardship Council, an influential body that ranks fish sources as sustainable, grants its seal of approval too easily. As a result, some fish populations may be more endangered than consumers believe.

The crackdown by Vietnamese forestry officials is part of a broader effort to halt the illegal international trade in the meat of threatened species.

After Pacific Gas & Electric, the giant California utility, began installing smart meters in the state's Central Valley, the company was swamped with complaints from residents that their utility bills had spiked. But an independent review of the smart meters released Thursday found that the devices were functioning properly and attributed the high charges to a heat wave last year that coincided with their installation as well as poor customer service by P.G.&.E.

Tibet's high-altitude meadows disappear as global warming and overgrazing accelerate desertification. "Once the grasslands are destroyed, they rarely come back," a Chinese official says.

A mountain lion wandered into the uniquely tolerant town of Berkeley, Calif., on Tuesday, and was ultimately shot by police. Heated debate has ensued.

Exploratory drilling by a Scottish oil firm was halted after four Greenpeace protesters scaled the rig and suspended tents from its underside.

A tongue-in-cheek commercial from an antipollution group, already a hit on YouTube, delivers a message about what the city's pollution could portend.