On eve of the global warming summit in Copenhagen, Denmark, an informal global survey shows that public interest in the issue is waning. But many people are taking individual steps to curb global warming.
China and US cooperation in promoting such vehicles is a concrete step against global warming. But how to measure claims in miles "per gallon"?
This story of a Maine town trapped under a dome shows Stephen King at the height of his powers.
Converting existing gas-guzzling trucks and SUVs into hybrid and electric vehicles gains traction.
Discount deals and tax incentives help homeowners go solar,
A California utility is using smiley faces on customer bills to show how people's usage compares with their neighbors'.
Detroit has not said whether it will boost auto production now that Congress has allotted $2 billion more to the program.