An oyster shucker on Samish Island, Wash. on Puget Sound. The state is frequently forced to close beaches to oyster gatherers because of the risks of harmful algae blooms. Ted S. Warren/AP hide caption

itoggle caption Ted S. Warren/AP

Researchers have analyzed the fossil imprints of of raindrops, like the ones shown here, to study the atmosphere of the Earth, as it was 2.7 billion years ago. The rule at the top is 5 centimeters, or about 2 inches, long. W. Alterman/University of Pretoria hide caption

itoggle caption W. Alterman/University of Pretoria

Mike and Chantell Sackett of Priest Lake, Idaho, pose for a photo in front of the Supreme Court in Washington on Oct. 14, 2011. The court ruled unanimously Wednesday that property owners have a right to prompt review by a judge of an important tool used by the Environmental Protection Agency to address water pollution. Haraz N. Ghanbari/AP hide caption

itoggle caption Haraz N. Ghanbari/AP

A drilling rig sits on Oooguruk Island off the coast of Alaska's North Slope. The 6-acre island was built by Pioneer Natural Resources so it could drill for oil on the Arctic Ocean. Steve Quinn/AP hide caption

itoggle caption Steve Quinn/AP

A bald eagle in flight. The Northern Arapaho Tribe in Wyoming has won an unprecedented permit to hunt two bald eagles for use in religious ceremonies. iStockphoto.com hide caption

itoggle caption iStockphoto.com

JBI CEO John Bordynuik holds a jar of No. 6 fuel oil, derived from discarded plastic like that seen on a conveyor belt at his plant. Daniel Robison/WNED hide caption

itoggle caption Daniel Robison/WNED