The 20th century was the time when the world turned to use of fossil fuels and the 21st century will be the century of the renewables.

A sustainable economy represents nothing less than a higher social order one as concerned with future generations as with our own, and more focused on the health of the planet and the poor than on material acquisitions and military might. While it is a fundamentally new endeavor, with many uncertainties, it is far less risky than continuing with business as usual.

Saving civilization is not a spectator sport.

In today's integrated world economy, ... eradicating poverty may contribute as much to U.S. security as eradicating terrorism.

Farmers...can no longer keep up with rising demand; thus the outlook is for chronic scarcities and rising prices.

The throwaway economy that has been evolving over the last half-century is an aberration, now itself headed for the junk heap of history.

We know what we have to do. And we know how to do it. If we fail to convert our self-destructing economy into one that is environmentally sustainable, future generations will be overwhelmed by environmental degradation and social disintegration. Simply stated, if our generation does not turn things around, our children may not have the option of doing so.