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.

The lifeblood of Egypt is running dry

The lifeblood of Egypt is running dry

Death of the Nile By Ayah Aman, May 23, 2019. The lifeblood of Egypt is running dry The clock strikes five on a hot and dry fall morning when 60-something Ali al-Faqi makes his way through the darkness to meet up with four other farmers at the mosque of his Nile Delta village. By the […]

Urban rooms: where people get to design their city’s future

Tim Dixon, University of Reading and Lorraine Farrelly, University of Reading Despite the strong Utopian traditions of urban planning, there has often been a reluctance to think beyond the short term. Long-term planning is complex; electoral cycles are short and it’s easier to focus on the everyday challenges than those of the far-off future. For […]