"The coal industry is poised to score a rare victory over the Obama administration in the fight over the Export-Import Bank."

"As a federal decision looms over whether to approve Dow AgroSciences' proposed Enlist Duo herbicide -- a mix of 2,4-D and glyphosate, the main ingredient in Monsanto's Roundup weedkiller -- challenges from critics across the country have poured in. And children's health advocates are among the most vocal."

"The U.S. Supreme Court on Monday declined to hear a challenge to California's landmark low-carbon fuel standard, in a blow to out-of-state ethanol and gasoline producers that say the rule unfairly discriminates against their products."

"Gasoline prices are drifting lower just in time for the Fourth of July weekend, although they remain at the highest levels for this time of year since 2008 mainly because of the crisis in Iraq."

"Gulf Coast residents have entered their third month of dealing with a smelly, spongy, slimy scourge."

"Top lawmakers on the House Energy and Commerce Committee want a say in a GOP bill that takes aim at the science underpinning U.S. EPA regulations."

"New federal research using data from southern West Virginia show streams affected by mountaintop removal mining have fewer fish species and fish overall than other streams."

"The Defense Department needs to better prepare for the potential impact of climate change, a new report from the Government Accountability Office (GAO) warns."

"If the judge's reasoning holds up in other cases it could undermine the rationales for much bigger projects, such as the Keystone XL pipeline."

NASA's Orbiting Carbon Observatory satellite launched from Vandenberg Air Force Base early Wednesday morning, potentially improving scientists' ability to track climate change. The mission appeared successful after the spacecraft separated from the second stage about 55 minutes into the flight. A NASA news conference is scheduled for 8:30 am ET.