"Three environmental groups sued the U.S. government on Tuesday, challenging claims in a State Department report that said a proposed Canada-to-Texas oil sands pipeline poses little risk to endangered species because spills on the line were unlikely."

"Nebraska Nebraska Gov. Dave Heineman has called the Legislature into special session next week to address growing concerns over the proposed Keystone XL pipeline. The pipeline would carry tar sands oil across one of the Midwest's most important aquifers.

The action throws a potentially significant new stumbling block into a Canadian company's hope of winning approval before the end of the year for the 1,700-mile pipeline, which would move diluted bitumen -- often heavy in sulfur, nickel and lead -- from Alberta to the Texas coast.

"They will run your errands by bicycle, recommend a spa that gives vegan manicures or buy organic clothes for you and your dog. They will even book you a dream vacation and buy the appropriate carbon offsets. Green living is just so much easier when you have your own personal environmental concierge."

"LINCOLN, Neb. -- The closing of the country’s last meat processing plant that slaughtered horses for human consumption was hailed as a victory for equine welfare. But five years later just as many American horses are destined for dinner plates to satisfy the still robust appetites for their meat in Europe and Asia."

"WASHINGTON -- A former Energy Department official linked to the failed Solyndra solar enterprise deal continues to raise campaign money for President Obama and helped plan a fundraising luncheon that the president will attend in San Francisco on Tuesday."

"President Obama's reelection campaign has hired a former lobbyist for the controversial Keystone XL oil pipeline as a top adviser."

"The House defied the European Union Monday evening, quickly approving legislation that would ban European countries from imposing emission trading requirements on U.S. airlines."

"The headlines have focused on Frisco, where a battery-recycling plant emits too much lead. But the dangers go far beyond Frisco’s backyard. In cities such as Dallas and Fort Worth, particles from leaded gasoline banned decades ago still contaminate the soil."

"The U.S. Senate late Thursday confirmed John Bryson to be U.S. Commerce Secretary after Republicans opposed to his environmental record lifted a hold on the vote.

On May 31, 2011, President Barack Obama nominated Bryson as Secretary of Commerce to succeed Gary Locke, who has been appointed U.S. Ambassador to China.

Bryson is a former chairman and chief executive of Edison International, a California-based energy company.

"The figure is so astounding it appears to be a misprint at first glance. One in 110. That's the number of American children living with an autism spectrum disorder (ASD), based on the most recently published estimates from the Centers for Disease Control and Prevention (CDC)."