"EDMONTON - A new study released Monday suggests environmental assessments of oilsands projects have underestimated the impact of pollution, raising questions about the accuracy of data used as part of the approval process."

"U.S. President Barack Obama still wants to hear from other federal agencies before deciding whether to accept the State Department's finding that the Keystone XL pipeline would have no major impact on climate change, his top aide said on Sunday."

"Naturally occurring radionuclides are widely distributed in the earth’s crust, so it’s no surprise that mineral and hydrocarbon extraction processes, conventional and unconventional alike, often produce some radioactive waste."

"The White House yesterday left the door open to revisiting the nearly four-decade-old limits on crude exports, saying after a landmark Senate Energy and Natural Resources Committee hearing on the ban that it is "closely monitoring the implications" of surging U.S. oil production."

"President Barack Obama will nominate former federal prosecutor Norman Bay, now the head of enforcement at the U.S. Federal Energy Regulatory Commission, to be the agency’s chairman."

"WASHINGTON — The White House says a new environmental assessment from the State Department isn't the last step in deciding whether the Keystone XL pipeline can be built."

"The question of whether to export crude oil stands to be the next major debate in U.S. energy policy."

"Engineering firm Kellogg Brown & Root has been awarded a project and construction management contract for the US’ first commercial-level oil sands project."