An hour of darkness. An ice-cream vendor works next to the India Gate in New Delhi on March 31, 2012. (Parivartan Sharma/Reuters)

Earth Hour 2012 | The Big Picture

A picture of Josh Fox being arrested at a Congressional hearing on fracking. [desmog]

At approximately 10:30 a.m. today, United States Capitol Police arrested Joshua Fox of Milanville, Pa. in room 2318 of the Rayburn House office building. He is charged with unlawful entry, and he is currently being processed at United States Capitol Police headquarters.

In this Wednesday, Nov. 2, 2011, photo provided by Maritime New Zealand, the cargo ship Rena lays stranded on a reef near Tauranga, New Zealand. The condition of the cargo ship stranded on the New Zealand reef for nearly a month has worsened, and authorities say they are preparing for it to break apart. The ship has been stranded since Oct. 5 on the reef. (AP Photo/Maritime New Zealand, Graeme Brown)

Robert Redford urges President Obama to “say no to the Keystone XL” in a video op-ed for The New York Times.

Scientists think that a giant asteroid, which broke up long ago in the main asteroid belt between Mars and Jupiter, eventually made its way to Earth and led to the extinction of the dinosaurs. Data from NASA’s WISE mission likely rules out the leading suspect, a member of a family of asteroids called Baptistina, so the search for the origins of the dinosaur-killing asteroid goes on.

[NASA/JPL-Caltech]

A Resilient Nature

“Survivor Tree” is a callery pear found in the wreckage of the World Trade Center plaza, nursed back to health, and planted at the 9/11 Memorial Plaza at ground zero in December. The tree, originally planted at the WTC complex more than 30 years ago, has tremendous symbolic value for many New Yorkers. Taken to the Parks Department’s Arthur Ross Nursery in Van Cortlandt Park, the tree was barely alive in 2001. It was then only around eight feet tall. Most of it had been destroyed. It was twisted and charred. Parks Department workers nursed it back to health; it now stands more than 35 feet. 

[ABC]