AP - Key provisions of House energy bill:

LiveScience.com - The big glaciers of Greenland get most of the attention in terms of global warming's impact on melting and rising sea levels, but it's actually the little glaciers that count the most, a new study finds.

AP - Federal wildlife officials on Tuesday proposed more protection for the threatened California red-legged frog, providing up to four times as much habitat than was set aside two years ago.

AP - Crucial Arctic sea ice this summer shrank to its second lowest level on record, continuing an alarming trend, scientists said Tuesday.

AP - The majestic grizzly bear, once king of the Western wilderness but threatened with extinction for a third of a century, has roared back in Montana.

AFP - A Nigerian rebel group said Tuesday it had blown up and destroyed a Royal Dutch Shell pipeline in the latest attack in its "oil war" on the government and Western firms.

AFP - Australian scientists were hopeful Tuesday that two tonnes of bones found in the country's northeast are the remains of a new species of dinosaur.

AP - Just a few months after near-record flooding across the Midwest, roads were under water again Tuesday in Missouri and elsewhere and utility crews were struggling to restore electrical service to thousands of customers in the wake of the remnants of Hurricane Ike.