Much of California’s current petroleum output is categorized as heavy or extra-heavy oil, meaning it is more viscous and requires more energy and time to refine into fuel than lighter grades of crude. In many ways, it is similar to the thick “bitumen” petroleum that comprises Alberta’s tar sands.

The news that matters to the Next Generation.

Three new reports directly address the fragile state of the planet. The first discloses that carbon emissions have already locked in 4 feet of future sea-level rise.

Whither the White House climate plan?