It is characteristic of all deep human problems that they are not to be approached without some humor and some bewilderment.

Unfortunately the global warming hysteria, as I see it, is driven by politics more than by science.

[John Wheeler] rejuvenated general relativity; he made it an experimental subject and took it away from the mathematicians

When I listen to the public debates about climate change, I am impressed by the enormous gaps in our knowledge, the sparseness of our observations and the superficiality of our theories.

For a physicist mathematics is not just a tool by means of which phenomena can be calculated, it is the main source of concepts and principles by means of which new theories can be created.

Vegetation is really controlling what happens...whereas the emphasis in the climate models has always been on the atmosphere.

It makes very little sense to believe the output of the climate models.