If the politics of inaction and delay that have triumphed in this country continues for another decade, then Planetary Purgatory in the likely future facing our country before midcentury - probably in your own lifetime.

The science is crystal clear: we humans are the primary cause of global warming, and we face a bleak future if we fail to act quickly.

The coal plants that will be built from 2005 to 2030 will release as much carbon dioxide as all of the coal burned since the industrial revolution more than two centuries ago.

The United States could dramatically reduce its carbon emissions per kilowatt-hour without raising its overall energy bill.

If Americans in 2100 came to see 12 meters sea-level rise as inevitable by 2200, who can even begin to fathom how the nation would respond?

You must become a climate champion, a single-issue voter. You must take whatever action you can. You must use whatever influence you have wherever it would make a difference, even if it is only to educate the people around you.

Would PBS go so far as to give air time to an even more extreme kind of disinformer, a Holocaust denier?