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Last day to apply: June 11, 2007

The successful candidate will have the solid quantitative and software skills needed to manage and conduct Ecological Footprint assessment projects, such as the Footprint of business operations, and to develop Footprint modeling applications, such as calculators, for both stand-alone and web-based platforms

In 2000, recycling resulted in an annual energy savings of at least 660 trillion BTUs, which equals the amount of energy used in 6 million households annually. In 2005, recycling is conservatively projected to save 900 trillion BTUs, equal to the annual energy use of 9 million households.

What effects do waste prevention and recycling have on global warming?

What materials are most commonly recycled in the United States through collection programs? US recycling rates for commonly recycled consumer goods in 2006 are listed below: Newspapers: 87.9% Corrugated Cardboard Boxes: 72.0% Steel Cans: 62.9% Yard Trimmings: 62.0% Aluminum Beer and Soft Drink Cans: 45.1% Magazines: 40.5% Tires: 34.9% Plastic HDPE Milk and Water Bottles: 31.0% Plastic Soft Drink Bottles: 30.9% Glass Containers: 25.3% EPA's annually updated report, Municipal Solid Waste in the US: 2006 Facts and Figures, describes the national MSW stream based on data collected since 1960. The historical perspective provided is useful for establishing trends in the types of MSW generated and the ways in which it is managed.

Many plants have been the source for medicine that cures disease. Take the rosy periwinkle, which is native to Madigascar. Before its properties were discovered, only 10 percent of children with leukemia lived. But from the plant, scientists created a compound that helped increase the survival rate. "With the compound, the rate has now gone up to 95 percent,” Raven says. “Who knows what else is out there in nature's pharmacy.”

"We will have 10 percent of the world’s seeds by 2010 and we would like to go on and have a quarter of the world’s species by 2020,” says Paul Smith, director of the Millennium Seed Bank Project.

One in six of all wild plants are used for medicine. One in 10 are used for food, especially in developing countries.