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.

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

In this era of tightening world food supplies, the ability to grow food is fast becoming a new form of geopolitical leverage, and countries are scrambling to secure their own parochial interests at the expense of the common good.

The foundation is being laid for the emergence of both wind and solar cells as cornerstones of the new energy economy.

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.

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

Global food insecurity is increasing...the slim excess of growth in food production over population is narrowing.