James V. Hansen: “The assumption in a democracy is that the public is informed and they are honestly informed.”

I think everyone hopes that increased energy efficiency--and that would be encouraged by a higher price on carbon emissions, and renewable energies--could do the job.

Until someone is brave enough to call you out as saboteurs to our future, or to haul you into court, or to win a lawsuit--and that may happen soon--until then, just shut-up.

I think it is essential that we give back 100 percent of the money that we take in the tax.

The Obama administration is being forced into a political compromise. It has sacrificed a strong position on mountaintop removal in order to ensure the support of coal-state legislators for a climate bill.