US unveils Keystone pipeline environmental study

The US State Department suggested Friday that a $7 billion Canada-to-Texas oil pipeline would have no major impact on the environment, but stopped short of recommending it be approved.

Controversial Keystone pipeline passes another hurdle

The controversial Keystone pipeline passed another hurdle Tuesday after the governor of Nebraska approved a new route that will avoid environmentally sensitive areas like the state's Sand Hills.

Obama climate pledge faces test on oil pipeline (Update 2)

(AP)—Environmental groups say President Barack Obama's warning about climate change will soon be tested as he decides whether to approve the Keystone XL oil pipeline from Canada to the Gulf Coast.

US begins review of new Keystone pipeline route

The US State Department on Friday launched an environmental review of a new route proposed for the controversial Keystone XL pipeline that would transport oil from Canada's tar sands.

Shell says two new leaks on Nigerian pipeline

Oil giant Shell on Monday said two new leaks had occurred on one of its pipelines in southern Nigeria after similar incidents in recent days blamed on crude theft.

Under the microscope #13

Matthew Kuo tells us how tiny worm faecal pellets affect how oil pipelines sit on the seabed.

Part of Keystone XL oil pipeline to go ahead: company

TransCanada Corp announced Monday it would go ahead with construction of part of its Keystone XL oil pipeline that does not require US presidential approval, a stretch from the state of Oklahoma to the US Gulf Coast.

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