I do think that the standard media is controlled by the conventional wisdom about global warming. We've come to believe - from reading a lot of articles and talking to a lot of scientists - that there's another side to be heard.

As I see it, most major philanthropists have been bullied into giving. They feel social pressure to give. It has become a cost of doing business.

The major challenge facing most foundations is that they are risk averse. This inhibits their ability to experiment and commit to the experimentation and innovation process.

Steven Levitt Quotes