When people ask me what they should do, I reply, "Get informed, get outraged, and then get political."

We have been getting rich by depleting all our natural stocks - water, hydrocarbons, forests, rivers, fish and arable land - and not by generating renewable flows.

Hurricane seasons with four or more super-hurricanes, those with sustained wind speeds of 131 mph or more will soon become the norm.

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

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.

Time is short. We have at most a decade to sharply reverse course.

On our current path, all our great Gulf and Atlantic coast cities are at risk of meeting the same fate as New Orleans.