"House of Representatives will include approval of a Canada-to-Texas oil pipeline in a payroll tax cut bill, House Speaker John Boehner said on Thursday, raising the political stakes on the issue.

The move by House Republicans marked a challenge to President Barack Obama, who has warned he would veto any bill that linked quick approval of TransCanada Corp's Keystone XL pipeline to extending a tax cut for American workers that is due to expire on December 31.

"NAUCALPAN DE JUÁREZ, Mexico — The spent batteries Americans turn in for recycling are increasingly being sent to Mexico, where their lead is often extracted by crude methods that are illegal in the United States, exposing plant workers and local residents to dangerous levels of a toxic metal.

"DURBAN, South Africa, December 8, 2011 (ENS) - With less than 24 hours left before the end of another climate change conference, negotiators in Durban are working around the clock to salvage the talks, with the African Group vowing on Thursday to ensure some kind of deal is achieved.

Progress has been made on several issues, including the structure of the Green Climate Fund, with an agreement imminent on the multi-billion dollar long-term financing instrument.

"CHEYENNE - The U.S. Environmental Protection Agency announced Thursday for the first time that fracking - a controversial method of improving the productivity of oil and gas wells - may be to blame for causing groundwater pollution."

"Air concentrations of the brominated chemicals doubled every 13 months in recent years in Cleveland and Chicago."

"America smashed the record for billion-dollar weather disasters this year with a deadly dozen – and counting."

"The Food and Drug Administration must come up with a decision by March 31 on whether to ban a chemical that’s widely used in plastics and the metal linings of food containers, according to a court settlement reached Wednesday between the agency and the Natural Re­sources Defense Council."

"At a hearing in Washington yesterday, lawmakers pressed product safety and health regulators about their three-year investigation into contaminated drywall, expressing frustration with their progress on all fronts."