Our world faces a true planetary emergency. I know the phrase sounds shrill, and I know it's a challenge to the moral imagination.

I smoked pot in college and in the Army.

Most people talk as if Miami and Bangladesh still have a chance of surviving: most of the scientists I spoke with assume we'll lose them within the century, even if we stop burning fossil fuel in the next decade.

I think I may have a future as a disembodied head.

A lot of people go straight from denial to despair without pausing in the middle and doing something about it.

In a time of social fragmentation, vulgarity becomes a way of life. To be shocking becomes more important - and often more profitable - than to be civil or creative or truly original.

We have to use our reasoning capacity and set long-term goals based on our deepest values.