Sahara desert dust coats swathes of Spain

A mass of hot air from the Sahara desert dumped dust on large parts of Spain including Madrid on Tuesday, colouring the sky orange and coating cars and streets.

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 capita and a continued ...

The Flight of Migrating Microbes

Every day, millions of microorganisms reach Spain from the Sahara Desert and the Sahel region - by flying.

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.

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 ...

Study documents catastrophic collapse of Sahara's wildlife

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.

Experts sound alarm over 'perfect storm' in African Sahel

The vast region of Africa known as the Sahel will descend into large-scale drought, famine, war and terrorist control if immediate, coordinated steps are not taken to avert the perfect storm of climate change and the most ...

Could alien solar panels be technosignatures?

If alien technological civilizations exist, they almost certainly use solar energy. Along with wind, it's the cleanest, most accessible form of energy, at least here on Earth. Driven by technological advances and mass production, ...

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