Energy-related carbon dioxide (CO2) emissions in 2012 were the lowest in the United States since 1994, at 5.3 billion metric tons of CO2. With the exception of 2010, emissions have declined every year since 2007.
The gap in natural gas prices has opened quickly, leaving companies that make investment decisions years in advance scrambling to catch up. As recently as 2007, U.S. natural gas prices were only about 20 percent lower than Europe's, not enough to fundamentally reshape markets.
A draft State Department report concludes that building the Keystone XL pipeline would not speed up development of Canada's oil sands, dealing a blow to environmentalists who claim Keystone would worsen climate change.
More than half the Senate on Wednesday urged quick approval of the Keystone XL oil pipeline, ramping up pressure on President Barack Obama to move ahead with the project just days after he promised in his inaugural address to respond vigorously to the threat of climate change.
Ten GOP governors and the premier of Saskatchewan are putting fresh pressure on President Obama to greenlight the proposed Keystone XL pipeline, which would bring Canadian oil sands to Gulf Coast refineries. Premier Brad Wall and the governors, in a letter to Obama Thursday, call the project "fundamentally important" to the future economic prosperity of the United States and Canada.