Not-for-profit credit unions have long billed themselves as community-based alternatives to big commercial banks. But, many California credit unions charged customers millions in overdraft fees last year. Plus, San Diego scientists from the Scripps Institution of Oceanography will be at the United Nations Climate Conference in Dubai Thursday. Finally, a crew has docked their small, double canoe – the Hōkūle’a – in San Diego. The boat, modeled after ancient Polynesian vessels, has sailed around the world. It made its last stop in San Diego before returning to those still recovering from the fires in Maui.