We created a way of raising standards of living that we can't possibly pass on to our children.

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.

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

The best thing about improvements in health care is that all the climate-change deniers are now going to live long enough to see how wrong they were.

The great political tragedy of our time is that conservative leaders in America have chosen to use their superior messaging and political skills to thwart serious action on global warming.

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?

Protecting dozens of major coastal cities from future flooding will be challenging enough-rebuilding major coastal cities destroyed by super-hurricanes will be an almost impossible task.