One year ago, BP's Deepwater Horizon exploded in the Gulf of Mexico, killing 11 workers and beginning over 100 days of the worst oil spill in US history. Despite this clear warning, we remain deeply dependent on fossil fuels, which poses a dire threat to our communities and environment.

Oakland's Van Jones kicked off Friday's Netroots Nation program with the usual wit, insight and humor that have made him one of the go-to voices for the green movement and national social justice issues.