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Keystone Backers Await Report Vital to Pipeline’s Fate

Supporters and foes of TransCanada Corp.’s Keystone XL pipeline are bracing for the release of an environmental analysis from the U.S. government that could determine the $5.4 billion project’s fate.

While the report isn’t the final step, it’s eagerly anticipated because it will answer a question central to whether President Barack Obama approves the project: would Keystone contribute significantly to climate change? Obama has said he wouldn’t support the pipeline if it were found to substantially boost carbon-dioxide emissions that many scientists say are raising the Earth’s temperature.