B ELÉM, Brazil — Environmental group 350.org, which spearheaded the movement to block the Keystone XL oil pipeline, will ...

A proposed oil pipeline from Canada south to the Gulf Coast of Texas has divided interest groups in both political parties and raised a host of the issues crucial to next year's elections. We update ...

A Canadian company pulled the plug on it four years ago after the Canadian government failed to persuade then-President Joe Biden to reverse his cancellation of its permit on the day he took office.

TORONTO — Canadian Prime Minister Mark Carney raised the prospect of reviving the contentious Keystone XL pipeline project with U.S. President Donald Trump during his White House visit this week, a ...

About 5,000 barrels of oil, or about 210,000 gallons, gushed out of the Keystone Pipeline on Thursday in South Dakota, blackening a grassy field in the remote northeast part of the state and sending ...

Prime Minister Mark Carney and US President Donald Trump discussed the possible revival of an oil pipeline project that would connect Alberta to the US during their meeting in Washington on Tuesday, a ...

The rally on the National Mall was billed as the largest climate rally in American history.

For all the noise over the proposed Keystone XL oil sands pipeline—which has been in limbo for years— President Barack Obama himself has been fairly clear. In a speech last June, Obama said that he ...

WASHINGTON (AP) -- Actress Daryl Hannah has been arrested in front of the White House along with other environmental protesters who oppose a planned oil pipeline from Canada to the U.S. Gulf Coast.

FILE - A Keystone pipeline facility stands in Hardisty, Alberta, Nov. 6, 2015. (Jeff McIntosh/The Canadian Press via AP, File) TORONTO (AP) — Canadian Prime Minister Mark Carney raised the prospect of ...

TORONTO (AP) — Canadian Prime Minister Mark Carney raised the prospect of reviving the contentious Keystone XL pipeline project with U.S. President Donald Trump during his White House visit this week, ...