"EDMONTON -- Geotechnical engineers remained at the Obed Mountain coal mine Sunday trying to determine how one billion litres of murky water leaked from a containment pond into the Athabasca River."

"More than half of all facilities licensed last year by Texas to carry ammonium nitrate lacked either secure fencing or locked storage areas for the potentially explosive chemical compound."

"Pacific Gas and Electric Co. should pay a $6.75 million fine for delaying the disclosure of record-keeping flaws on a San Carlos gas pipeline that were 'distressingly similar' to problems that contributed to the San Bruno gas line disaster of 2010, a regulatory judge ruled Wednesday."

"A geyser of gasoline spewed into the sky from a state-owned pipeline in western Mexico, forcing officials to evacuate about 5,000 people Wednesday. Authorities blamed the accident on fuel thieves tapping into the pipe."

"It started with a few bogus safety certificates for cables shutting a handful of South Korean nuclear reactors. Now, the scandal has snowballed, with 100 people indicted and Seoul under pressure to rethink its reliance on nuclear power."

"New York is creating a gasoline reserve to prevent shortages during disasters, Gov. Andrew M. Cuomo’s office announced in a news release on Saturday."

"TOKYO -- The operator of Japan's wrecked Fukushima nuclear plant said on Saturday there was no damage or spike in radiation levels at the station after a large earthquake struck in the ocean east of Japan, triggering a small tsunami."

"One year ago Tuesday, Hurricane Sandy bore down on the East Coast, devastating shoreline communities from Florida to Maine."

"The 2013 Atlantic hurricane season looks set to go down as a big washout, marking the first time in 45 years that the strongest storm to form was just a minor Category 1 hurricane."

"Five days before the anniversary of Superstorm Sandy's strike on the U.S. Northeast, the Interior Department announced $162 million in funding for research and restoration projects to help protect the Atlantic Coast from future storms."