Quest for 47 species of 'extinct' birds is launched
August 24, 2009, 9:50 p.m. by Bryan Nelson
BirdLife International has launched an unprecedented search for 47 bird species which haven't been seen for up to 184 years.
Native American biofuel company says capitalism must be green
August 20, 2009, 6:25 p.m. by Bryan Nelson
One of the nation's wealthiest Native American communities has made a big investment in algae biofuel.
California lawmakers to make it illegal for Palin to shoot wolves from planes
August 13, 2009, 2:18 p.m. by Bryan Nelson
Alaska's infamous predator-control program is being challenged by two California Democrats.
Australian fires reveal ancient water system built long before the pyramids
Thirsty koala seeks help from bikers in South Australia
What gray hair says about your health
4 ways exercise is good for your brain
9 of the world's largest dog breeds
23 adorable photos that will change the way you think about rats