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 get another 2° of fever rather than 3° - and that's a big difference. — William H. Calvin Copy Share Image
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. — William H. Calvin Copy Share Image
Perhaps we should put up posters in such places reminding people that where they stand was underwater the last time that the Earth ran… — William H. Calvin Copy Share Image
Stopping emissions growth represents the most minimal of do-something responses. — William H. Calvin Copy Share Image
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… — William H. Calvin Copy Share Image
Climate change has a very high procrastination penalty that just grows with each passing year of inaction - rather like what happens if you… — William H. Calvin Copy Share Image
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… — William H. Calvin Copy Share Image
The real focus needs to be on political action to stop this runaway train, real soon. — William H. Calvin Copy Share Image
Anyone who would tackle our current addiction to fossil fuels is going to have to maneuver around denial. — William H. Calvin Copy Share Image
Carrying on as usual carries enormous risks, condemning today's students to a world of constant insecurity and frequent catastrophes. — William H. Calvin Copy Share Image
Even if we stop the growth, we'd still be adding a constant amount of fossil carbon to the atmosphere each year. — William H. Calvin Copy Share Image
“Our civilization will, of course, be "playing God" in an ultimate sense of the phrase: evolving a greater intelligence than currently exists on earth.… — William H. Calvin Copy Share Image
Trusting your energy policy to the fossil fuel lobby is like trusting your health care system to the tobacco lobby. — William H. Calvin Copy Share Image
“It takes a heavy commitment to quality education for all to avoid that stratification of society, those needless degrees of separation. But even the… — William H. Calvin Copy Share Image
