The G-8 has clearly rejected the failed U.S. policy of voluntary programs to address global warming.

The administration has insisted it's not their job to fight global warming.

The administration has insisted it's not their job to fight global warming. In fact they have both the legal and moral responsibility to tackle global warming pollution.

[THE CHALLENGE:] There isn't one single solution to global warming, so the most challenging aspect of my job is deciding what to focus on, ... We have to carefully select the problems that we have the greatest chance of solving quickly.

This winter makes global warming seem more real.

The ocean is like this black box. We just don't know what's going on out there. Is it global warming? Is it pollution? Predators?