Massive amounts of Saharan dust fertilize the Amazon rainforest
The Sahara Desert and the Amazon rainforest seem to inhabit separate worlds. The former is a vast expanse of sand and scrub stretching across the northern third of Africa, while the latter is a dense green ...
ESA image: Sahara desert, Algeria
This satellite image was captured over southeastern Algeria in the heart of the Sahara desert.
Shrinking resource margins in Sahel region of Africa
The need for food, animal feed and fuel in the Sahel belt is growing year on year, but supply is not increasing at the same rate. New figures from 22 countries indicate falling availability of resources per ...
Computer simulations suggest aridification of Sahara occurred longer ago than thought
Image: Lake Chad from orbit
This Landsat-8 image from 4 July 2014 shows Lake Chad in West Africa's Sahel region – a transition zone between the Sahara Desert to the north and savannahs and woodlands to the south.
ESA image: Richat structure, Mauritania
A giant, geological wonder in the Sahara Desert of Mauritania is pictured in this satellite image.
Image: Cloud bands over the Western Sahara Desert, Mauritania
This photograph of cloud bands over southern Mauritania was taken from the International Space Station with an oblique angle such that the cloud shadows are a prominent part of the view. Beneath the clouds, ...
Sahara oasis from space
Deep in the Sahara Desert, the Al Jawf oasis in southeastern Libya is pictured in this image from Japan's ALOS satellite.
Paleorivers across Sahara may have supported ancient human migration routes
Three ancient river systems, now buried, may have created viable routes for human migration across the Sahara to the Mediterranean region about 100,000 years ago, according to research published September 11 in the open access ...
African dust clouds worry Caribbean scientists
Each summer, microscopic dust particles kicked up by African sandstorms blow thousands of miles (kilometers) across the Atlantic to arrive in the Caribbean, limiting airplane pilots' visibility to just a ...
Lessons from Timbuktu
Society today might think of science parks, technology centres, business incubators and knowledge precincts as being entirely modern phenomena, representative of the great advances of human endeavour sparked into the life ...
Pollution in Northern Hemisphere helped cause 1980s African drought
Decades of drought in central Africa reached their worst point in the 1980s, causing Lake Chad, a shallow lake used to water crops in neighboring countries, to almost dry out completely.
The Sahara olive tree: A genetic heritage to be preserved
The Saharan cousin of Mediterranean olive trees remains largely unknown. However, this subspecies (called the Laperinne's olive tree) is of great interest for several reasons. IRD researchers and their partners ...
Collaboration aims to harness the energy of 2,000 suns
Today on Earth Day, scientists have announced a collaboration to develop an affordable photovoltaic system capable of concentrating, on average, the power of 2,000 suns, with an efficiency that can collect ...