There is a gyre of discarded floating plastic the size of the continental USA in the ocean. In it, plastic trash outweighs plankton 40 to 1.

If we want to move towards a low-polluting, sustainable society, we need to get consumers to think about their purchases.

Outright bans on plastic bags may not be the best solution, but education and incentives to get people to stop using them are necessary.

The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.

Pearl Harbor was the defining event in my life. It shaped who I am, and all of my hang-ups and my drives, I think, stem from that.

Our identity includes our natural world, how we move through it, how we interact with it and how it sustains us.

Human beings are often at their best when responding to immediate crises - car accidents, house fires, hurricanes. We are less effective in the face of enormous but slow-moving crises such as the loss of biodiversity or climate change.