Humanity falls deeper into ecological debt: study

Humankind will slip next week into ecological debt, having gobbled up in less then nine months more natural resources than the planet can replenish in a year, researchers said Tuesday.

Algae from wastewater solves two problems

In one of the first studies to examine the potential for using municipal wastewater as a feedstock for algae-based biofuels, Rice University scientists found they could easily grow high-value strains of oil-rich algae while ...

Growing cereal crops with less fertilizer

Researchers at the University of California, Davis, have found a way to reduce the amount of nitrogen fertilizers needed to grow cereal crops. The discovery could save farmers in the United States billions of dollars annually ...

Rethinking the value of sewage sludge 

Researchers from the Plant Nutrition Group at ETH Zurich have been evaluating methods to develop an efficient and environmental friendly phosphate fertilizer from sewage sludge ashes. A new thermo-chemical process that extracts ...

Japan plans futuristic farm in disaster zone

Japan is planning a futuristic farm where robots do the lifting in an experimental project on land swamped by the March tsunami, the government said Thursday.

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