Julia Roberts delivers a harrowing monologue. This time her character is Earth.

It's great to see when celebrities get on board with environmental causes, but this video makes you forget very quickly the impact of a celebrity. This video makes you understand very quickly how insignificant we are in the face of what Mother Nature can do.

We need to stop playing God, and assuming we can control what happens when we emit greenhouse gases, cut down trees, build dams and hunt whales for food. Earth is home to 10-14 million species of life, we're just one of them.

Nature doesn't need People, People need Nature.