Unless we redesign our civilization in numerous ways, all of the science in the world won't save us.

- William H. Calvin

If we don't start thinking big about the CO2 problem, we may miss our opportunity to stop a climate runaway that will trash the habitable parts of th…

- William H. Calvin

Stopping emissions growth represents the most minimal of do-something responses.

- William H. Calvin

Since Serengeti-scale savanna scenes are only one or two million years old, our earliest after-the-apes ancestors didn't move into this scene so much…

- William H. Calvin

Perhaps we should put up posters in such places reminding people that where they stand was underwater the last time that the Earth ran a 3°F fever.

- William H. Calvin

Anyone who would tackle our current addiction to fossil fuels is going to have to maneuver around denial.

- William H. Calvin

You can always spot the pioneers by the arrows in their backs.

- William H. Calvin

Carbon-free energy is simply something we have to do. The time for talk is past. If we turn around net carbon emissions by 2020 rather than 2040, we …

- William H. Calvin

Countries that innovate first get the new jobs, developing an economic edge over the C-free laggards that end up having to later import the technolog…

- William H. Calvin