Associated Press: The governors of Pacific coastal U.S. states and a Canadian province official on Monday vowed to collectively combat climate change by coordinating polices that place a price on greenhouse gas pollution and mandating the use of cleaner-burning fuels. Governors of California, Oregon, Washington and the environment minister of British Columbia, Mary Polak, gathered in San Francisco to commit to working together to coordinate efforts with the hope of stimulating a clean-energy economy in a region with…