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

If an economy is to sustain progress, it must satisfy the basic principles of ecology. If it does not, it will decline and eventually collapse. There is no middle ground

Children whose developing lungs are particularly vulnerable suffer the most from air pollution. For children, breathing the air in cities with the worst pollution, such as Beijing, Calcutta, Mexico City, Shanghai, and Tehran, is equivalent to smoking two packs of cigarettes a day.

Population growth is exceeding farmers' ability to keep up...Our oldest enemy, hunger, is again at the door.

Today, more than ever, we need political leaders who can see the big picture, who understand the relationship between the economy and its environmental support systems.

Nations are in effect ceding portions of their sovereignty to the international community and beginning to create a new system of international environmental governance.

Humanity's greatest challenge may soon be just making it to the next harvest.