"Wheat prices rose Wednesday as the hot, dry summer continued to take its toll on crops in the U.S. and Russia."

"Twenty trade groups representing the plastics, vinyl and chemical industries are lobbying to stop the General Services Administration from adopting proposed new standards for green building construction, saying the changes could eliminate the use of hundreds of their products in construction projects."

"LONDON -- The price of oil fell to below $83 a barrel on Friday after Federal Reserve Chairman Ben Bernanke gave no hint that the central bank is planning stimulus measures to revive a faltering recovery."

"Oil drilling has sparked a frenzied prosperity in Jeff Keller's formerly quiet corner of western North Dakota in recent years, bringing an infusion of jobs and reviving moribund local businesses. But Keller, a natural resource manager for the Army Corps of Engineers, has seen a more ominous effect of the boom, too: Oil companies are spilling and dumping drilling waste onto the region's land and into its waterways with increasing regularity."

"For many people, ecotourism evokes a picnic in Muir Woods in California, perhaps, or counting endangered sea turtles on a Costa Rican beach or spending the night in a tree house with gibbons in Laos. Andrew Blackwell, a Brooklyn-based author and journalist, sees it differently. His idea of an interesting trip is less about beauty than environmental devastation."

"Five of the biggest names in American business have formed a group to accelerate the development and use of plant-based plastic."

"U.S. crude oil futures fell on Friday for the fourth day in a row, hitting their lowest levels in nearly eight months and extending losses to a fifth week, as weak U.S. jobs data, soft Chinese manufacturing and the deepening euro zone crisis sparked a broad market selloff. "

"Energy companies are nervously following the investigation of Wal-Mart Stores Inc.'s alleged corruption in Mexico. While the link between the energy industry and the retail behemoth isn't obvious, attorneys who advise oil and gas companies say the U.S. government will focus more on petroleum companies as a result of the Wal-Mart investigation."

"Chinese manufacturers of towers for wind turbines received unfair subsidies and must now pay duties of 13.7 to 26 percent, the Commerce Department said on Wednesday in a preliminary decision in a case brought by four American manufacturers of the towers. The decision, the third trade case decided this year in favor of American wind and solar manufacturers, will be followed by another in the coming weeks on whether Chinese companies engaged in dumping the towers in the United States at prices below the cost of making them."

"Job growth in the nation's coal fields has taken a hit amid tough market conditions for U.S. coal and competition from natural gas, according to a review of federal employment statistics."

"BEIJING --  China’s Commerce Ministry accused the United States government on Thursday of violating free-trade rules through support for six renewable energy projects, but did not identify the projects or the trade rules that had allegedly been violated. It was the latest volley in a widening conflict between the two countries over clean power.

"Oil fell to a seven-month low below $91 a barrel Wednesday after Iran agreed to allow the U.N. nuclear agency to restart an investigation into the country's nuclear program."

"The United States on Thursday announced the imposition of antidumping tariffs of more than 31 percent on solar panels from China. The move by the Commerce Department is certain to infuriate Chinese officials already upset after recent bilateral frictions over China’s human rights policies and its increasingly confrontational approach toward American allies like the Philippines and Japan."

"Chicago commuters have all the fun. Two weeks ago, there was the Heartland Institute’s Unabomber billboard likening a belief in climate change to psychopathy. This week, those stuck in traffic missed out on one larger-than-life retort to the Heartland campaign but will get to view another."

"WASHINGTON -- Progressive lawmakers Sen. Bernie Sanders (I-Vt.) and Rep. Keith Ellison (D-Minn.) teamed up on Thursday to introduce legislation designed to stop subsidies to the oil, coal and natural gas industries, preserving an estimated $110 billion over the next ten years."