Making the nitrate problem of agriculture vanish into air

Nitrate concentrations of our groundwater are among the highest in the European Union. The main reason is over-fertilization of fields with feces from livestock farming. Every year, a "liquid manure shower" of 200 million ...

Study determines best arrangement of tidal sails device

In the long sprint to find new sources of clean, low-cost power, slow and steady might win the race—the slow-moving water of currents and tides, that is. Just as wind turbines tap into the energy of flowing air to generate ...

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