A child dies from malnutrition or related causes every five seconds. Every child who dies from hunger is assassinated. And we have a herd of market traders, speculators and financial bandits who have turned wild and constructed a world of inequality and horror. We have to put a stop to this. Jean Ziegler Soil as a resource A long history of land use Ever since man learned to cultivate, soil has be ...[Read More]
Soils at Imaggeo: flying over the Saharan Cauldron
Carolina Cavazos-Guerra, Germany The Saharan desert has one of the most extreme climates on Earth. The dust loading and thermodynamics over this region are unique, and have major impacts on the climate of North Africa, Europe and the Atlantic. Fennec is a large-scale programme designed to tackle one of the world’s key climate regions by delivering the most comprehensive field campaign ever mounted ...[Read More]
Soils at Imaggeo: Patterned sand
Alma de Groot, The Netherlands Dunes are wind-generated accumulations of sand particles present in desert or coastal land. Sand dunes have smooth and uniform forms, although geometry may be highly variable. The size of particles of sand dunes is highly concentrated around 0.2 mm in diameter due to wind transportation. The pattern showed in the picture is the result of the formation of aeolian dune ...[Read More]