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 mass of humid jungle ...
Earth Sciences
Feb 24, 2015
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This satellite image was captured over southeastern Algeria in the heart of the Sahara desert.
Earth Sciences
Nov 14, 2014
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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 capita and a continued ...
Environment
Oct 16, 2014
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(Phys.org) —A team of researchers with members from China, Norway and France has built a computer simulation that shows that the Sahara desert came about far earlier than conventional thinking suggests. In their paper published ...
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.
Environment
Sep 5, 2014
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A research project which counts with the participation of the University of Granada has revealed new data on the climate change that took place in the Iberian Peninsula around the mid Holocene (around 6.000 years ago), when ...
Earth Sciences
Sep 2, 2014
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A giant, geological wonder in the Sahara Desert of Mauritania is pictured in this satellite image.
Earth Sciences
May 2, 2014
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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, the plateau of ...
Space Exploration
Jan 28, 2014
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A new study led by the Wildlife Conservation Society and Zoological Society or London warns that the world's largest tropical desert, the Sahara, has suffered a catastrophic collapse of its wildlife populations.
Ecology
Dec 3, 2013
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The Sahara wasn't always a desert. Trees and grasslands dominated the landscape from roughly 10,000 years ago to 5,000 years ago. Then, abruptly, the climate changed, and north Africa began to dry out.
Earth Sciences
Nov 11, 2013
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