Hoaxers are using Chevron's new green-sounding ad campaign to urge the company to live up to its vows.

Sudden aspen decline, a disease that has killed many aspens in the mountain West, seems to be slowing enough that some stands can hold their own.

"Six months after the rig explosion that led to the largest offshore oil spill in U.S. history, damage to the Gulf of Mexico can be measured more in increments than extinctions, say scientists polled by The Associated Press."

To judge by the U.S. federal spending on energy research and development, you wouldn't think there was any problem with energy independence, climate change, or unemployment. But you might think that the oil, nuclear, and coal industries had succeeded in strangling renewable energy in its crib.

"The Environmental Protection Agency's inspector general reported this week that the EPA had improperly used an official website to promote ways of recycling the waste that's left over when power plants burn coal, commonly known as coal ash."

The American chestnut, which was virtually wiped out by an exotic blight, may be making a comeback.
 

"New government data show forests play a key role in offsetting U.S. industrial emissions, but the ability of Western lands to sequester carbon is shrinking as the planet warms."

"Four years after redrawing its levee-design assumptions to ensure that the failures of Hurricane Katrina were never repeated, the Army Corps of Engineers  has embarked on a study that threatens to relax the new, more stringent standards in ways that would reduce costs — and result in less protection in some areas."

Tighter regulation of toxic chemicals that often threaten people's health isn't going to happen in the current Congress. The reason: a strong industry lobbying effort.

"Have hundreds of millions of dollars in grants from major oil companies compromised the ethics of energy research at such institutions as UC Berkeley, UC Davis and Stanford?"