Climate Change

Pope Francis told the Lima climate conference that they had a "serious ethical and moral responsibility" to the poor and future generations.

"U.S. Secretary of State John Kerry made an impassioned plea [Dec. 11] for all nations to work for an ambitious U.N. deal next year to fight climate change, saying time was running out to reverse a course 'leading to tragedy'."

"LIMA, Peru -- A funny thing happened on the way to a 2015 climate deal: The wall dividing developed and developing countries crumbled."

"A new peer-reviewed analysis of sources of leaks in natural gas drilling and well operations strongly bolsters growing calls for the Environmental Protection Agency to settle on regulations cutting wasteful, harmful emissions of methane from both new and existing oil and natural gas wells."

"A slight increase in air temperature over the past half-century has caused waters to warm more than two degrees in tributaries to the Chesapeake Bay, a change that could reduce the expected benefits of the multibillion-dollar bay cleanup plan and eventually alter the behaviors of marine animals, a new study says."

"WESTLAKE, La. — Stacey Ryan already knows where he'll be buried."

"Some of the millions of abandoned oil and natural gas wells in the United States are still spewing methane, marking a potentially large source of unrecorded greenhouse gas emissions, according to a study released on Monday."

"UN Secretary-General Ban Ki-moon stepped up his call for all nations rich and poor alike to fight global warming, seeking to break a dispute over which should move first to rein in fossil-fuel pollution."

"President Obama spoke in dismissive terms of the Keystone XL pipeline Monday during an interview on "The Colbert Report Monday, saying its modest benefits need to be weighed against its contribution to climate change, 'which could be disastrous.'"