A history of African dust

Interest in African dust began over 50 years ago when it was discovered that it was frequently transported across the Atlantic in great quantities.

Using fossil plant molecules to track down the Green Sahara

Researchers have developed a new concept to explain the phenomenon known as Green Sahara. They demonstrate that a permanent vegetation cover in the Sahara was only possible under two overlapping rainy seasons. Dr. Enno Schefuß of MARUM—Center for Marine Environmental Sciences of the University of Bremen, Dr. Rachid Cheddadi of the University of Montpellier, and their colleagues have now published their study in the journal PNAS.

Nomads of the Algerian steppe no longer

Nomads of the Algerian steppe no longer

The residents of El Guedid near Djelfa no longer move with the seasons as Algeria’s reduced rainfall cannot sustain grazing along the pastoral routes and mechanised farming has overworked the land.