A Satellite to Feed the World?
US - It is ironic that just when Earth-monitoring satellites are needed more than ever to address the food and freshwater demands of a burgeoning global human population, we face an impending gap in coverage by the Landsat programme, writes Charles L. Walthall, ARS National Program Leader for Climate Change, Soils and Emissions in Beltsville, Maryland.
3 February 2012
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