CALGARY, Alberta, Dec 1 (Reuters) – While North America has been gripped by controversy over the Keystone XL pipeline that would ship crude to the United States from the Canadian oil sands, a small Canadian company has been quietly digging in the oil sands of Utah with a secret weapon it thinks may end the environmental argument: citrus.

SOFIA, Nov 2 (Reuters) – Czech power utility CEZ said it would temporarily halt operations of its coal-burning plant in Bulgaria as of next year, after it failed to agree on a plan to bring it up to EU environmental rules.

CAIRO, Nov 1 (Reuters) – Dozens of residents of a town in eastern Libya have pledged allegiance to Abu Bakr al-Baghdadi, leader of Islamic State militants fighting in Syria and Iraq, according to a video and a resident.