Scientists have shown that pigs are capable of playing simple video games, learning from each other, and even learning names.

In elementary school, we should teach nonviolent conflict resolution and healthy communication skills, which will help children cope with issues like rejection and sexuality later in life.

Shopping in the right kind of stores and looking for healthier foods can be a wonderful adventure to health.

Redemption isn't giving a bank robber a job as a teller.

In the U.S. I think there are really two reasons we should pursue energy policy. One is climate change, and the second is this notion that the oil market is cartel-ized by people, some of whom are friendly, some of whom are not, some of whom are in a more ambivalent position to us.

Environmental disaster is the gravest threat to China's continued development. That's according to me, but it is not some wacko view.

Camp life is demanding, and even the simplest daily routine becomes a chore in a climate with 90 per cent humidity, not to mention the bugs.

There is no larger collective-action problem than the environment. The three biggest lies of the environmental movement is that every little bit helps, you can do your part, and together we can do it.