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Albrecht, William A. “Loss Of Soil Organic Matter And Its Restoration”. Soils and Men: USDA Yearbook of Agriculture. Washington, D.C., United States Department of Agriculture, 1938.
Each year, the practice going on for several decades, the United States Department of Agriculture published a yearbook. This particular Yearbook of Agriculture, Soils and Men, is widely considered the best of the lot. And this article by William Albrecht may well be la crème de la cr… More >>
A thermometer for the Earth
Tel Aviv University’s ’soil dipstick’ forecasts the health of farms, forests and the planet
According to climate change experts, our planet has a fever ― melting glaciers are just one stark sign of the radical changes we can expect. But global warming’s effects on farming and water resources is still a mystery. A new Tel Aviv University invention, a real-time “Optical Soil Dipstick” (OSD), may help solve the mystery and provide a new diagnostic tool for assessi… More >>
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Resilient Cities: Responding to Peak Oil and Climate Change
Half of the world’s inhabitants now live in cities. In the next twenty years, the number of urban dwellers will swell to an estimated five billion people. With their inefficient transportation systems and poorly designed buildings, many citiesespecially in the United Statesconsume enormous quantities of fossil fuels and emit high levels of greenhouse gases. But our planet is rapidly running out of the carbon-based fuels that have powered urban growth for centu… More >>
Resilient Cities: Responding to Peak Oil and Climate Change