The world is divided into the optimists and the pessimists. Here are two methods for the latter group to deal with the inevitable gray mood after reading all the depressing news about the state of the earth.

As China’s appetite for meat, milk, and eggs has soared, so too has its use of soybean meal. And since nearly half the world’s pigs are in China, the lion’s share of soy use is in pig feed.

The world quietly reached a milestone in the evolution of the human diet in 2011. For the first time in modern history, world farmed fish production topped beef production.

Many will ask, "Can the world afford these investments?" But the only appropriate question is, "Can the world afford the consequences of not making these investments?"

The pace of solar energy development is accelerating as the installation of rooftop solar water heaters takes off.

Photo credit: Dale Gillard/Creative Commons A new scramble for Africa is under way. As global food prices rise and exporters reduce shipments of commodities, countries that rely on imported grain are panicking. Affluent countries like Saudi Arabia,

Long after the political uprisings in the Middle East have subsided, many underlying challenges that are not now in the news will remain. Prominent among these are rapid population growth, spreading water

We need an economy for the twenty-first century, one that is in sync with the earth and its natural support systems, not one that is destroying them. The fossil fuel-based, automobile-centered, throwaway

When it comes to population growth, the United Nations has three primary projections. The medium projection, the one most commonly used, has world population reaching 9.2 billion by 2050. The high one reaches 10.5

Nearly four weeks after a 9.0-magnitude earthquake and tsunami devastated northeastern Japan, emergency personnel are still

In 1994, I wrote an article in World Watch magazine entitled "Who Will Feed China?" that was later expanded into a book of the same title. When the article was published in late August, the press conference

The hundreds of data sets that accompany World on the Edge: How to Prevent Environmental and Economic Collapse, illustrate the world's current predicament and give a

In early January, the U.N. Food and Agriculture Organization (FAO) reported that its Food Price Index had reached an all-time high in December, exceeding the previous record set during the 2007-08

We are entering a new era, one of rapid and often unpredictable climate change. In fact, the new climate norm is change. The 25 warmest years on record have come since 1980. And the 10 warmest years since

After several decades of Lrapid rise in world grain yields, it is now becoming more difficult to raise land productivity fast enough to keep up with the demands of a growing, increasingly affluent, population.

The literature on soil erosion contains countless references to the "loss of protective vegetation." Over the last half-century, clearcutting, overgrazing, and overplowing have removed so much of that protective cover

The thin layer of topsoil that covers the planet's land surface is the foundation of civilization. This soil, typically 6 inches or so deep, was formed over long stretches of geological time as new soil formation exceeded

As oil and natural gas reserves are being depleted, the world's attention is increasingly turning to plant-based energy sources. These include food crops, forest industry byproducts, sugar industry byproducts,