A food waste reduction hierarchy-feeding people first, then animals, then recycling, then composting-serves to show how productive use can be made of much of the excess food that is currently contributing to leachate and methane formation in landfills.

Although the United States has made tremendous progress cleaning up its water by removing billions of pounds of pollutants and doubling the number of waterways safe for fishing and swimming, a majority of Americans live within 10 miles of a polluted lake, river, stream or coastal area.

The sooner the US puts a cap on our dangerous carbon pollution, the sooner we can create a new generation of clean energy jobs here in America.

The way we guarantee safe drinking water is broken and needs to be fixed.

Eventually, we can get to a system where an electric company will be able to hold back some of the power so that maybe your air conditioner won't operate at its peak.

There could be oil coming up until August.

This is probably the biggest environmental disaster we have ever faced in this country. It is certainly the biggest oil spill and we are responding with the biggest environmental response.