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

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

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.

Much of the scientific community has been astonished that their increasingly strong and detailed warnings have been either ignored or attacked.

The first few feet of sea-level rise alone will displace more than 100 million people worldwide and turn all our major Gulf and Atlantic coast cities into pre- Katrina New Orleans - below sea level and facing super-hurricanes.

The entire western Siberian sub-Arctic region is melting, and it has all happened in the last three or four years.

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