Obama: Keystone pipeline must not add to global warming

President Barack Obama signaled Tuesday that the Canada-US Keystone XL oil pipeline will be approved only if it does not increase emissions of the greenhouse gases that contribute to global warming.

Effects of diluted bitumen on crude oil transmission pipelines

Diluted bitumen has no greater likelihood of accidental pipeline release than other crude oils, says a new report from the National Research Council. The committee that wrote the report found that diluted bitumen has physical ...

US House sends message on Keystone pipeline

US lawmakers agreed to a bill that would speed construction of a Canada-US oil pipeline and circumvent the need for President Barack Obama's approval for the $5 billion project.

Environmental bridge over troubled waters

A breakthrough innovation designed to purify water through the rapid removal of oily pollutants, could have major environmental benefits in agriculture and manufacturing industries.

Most in US, Canada support Keystone pipeline

A majority of both Americans and Canadians support the construction of the Keystone XL pipeline to funnel oil from Alberta's tar sands to Texas refineries, according to polls Monday.

Stage set for battle over Canada-US pipeline

A lengthy battle over the controversial Keystone XL pipeline, which aims to funnel oil from Canada's tar sands to coastal Texas, heads to the most hotly contested area along the route Thursday.

US to hold Keystone pipeline hearing in Nebraska

The US State Department said Wednesday it will hold a public meeting in Nebraska in April on a controversial $5.3 billion Canada-to-Texas oil pipeline, just days before a key consultation period ends.

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.

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