LA Times: Can the Keystone XL pipeline be built without significantly worsening greenhouse gas emissions and climate change? For President Obama, that is the main criterion for granting a federal permit to allow the pipeline to cross from southern Alberta into the United States.
Canadian authorities and the oil industry say measures already in place or under consideration to cut greenhouse gases ensure that Keystone XL can pass that test.
"We absolutely think we can maintain growth in oil and gas, and...