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.

Trusting your energy policy to the fossil fuel lobby is like trusting your health care system to the tobacco lobby.

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 technology.

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 the earth.

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 as they evolved with it, as the slower climate changes and uplift produced more grass and less forest.

Carrying on as usual carries enormous risks, condemning today's students to a world of constant insecurity and frequent catastrophes.

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