How bad is the oil spill? Flight sheds light on magnitude of disaster
June 30, 2010, 2:56 p.m. by Guest Columnist
Author David Helvarg takes a flight from the shores of Alabama to the site of the BP Deepwater Horizon explosion. What he finds is disturbing.
It's time to reexamine offshore drilling in the Arctic
May 10, 2010, 1:51 p.m. by Guest Columnist
Nature photographer Florian Schulz says the oil spill in the Gulf must serve as a warning as the U.S. seeks oil in the Arctic.
Green affordable housing protects pocketbooks, people and the planet
April 29, 2010, 7:20 a.m. by Guest Columnist
Home Depot Foundation President Kelly Caffarelli explains why Earth-friendly homes shouldn't be out of reach for Americans of modest means.
Earth Day founder disappointed in followers for neglecting overpopulation
April 20, 2010, 10:40 a.m. by Guest Columnist
Sen. Gaylord Nelson's biggest letdown was establishment's failure to address this tricky issue, says environmental scientist Leon Kolankiewicz.
15 birds with unbelievable beaks
Australian fires reveal ancient water system built long before the pyramids
These animals survived the bushfires, and they need human help more than ever
Thirsty koala seeks help from bikers in South Australia
To fight loneliness, let's get innovative
Why Carolina bays are an enduring mystery