Climate change blamed for dead trees in Africa

Trees are dying in the Sahel, a region in Africa south of the Sahara Desert, and human-caused climate change is to blame, according to a new study led by a scientist at the University of California, Berkeley.

Nigeria launches 2 new satellites into orbit

(AP) -- Nigeria launched two observation satellites into orbit Wednesday, and authorities said they hoped to use the equipment to monitor weather in a region seasonally ravaged by disasters.

Space shuttle Discovery heads home to retirement

(AP) -- Its decades-long mission accomplished, space shuttle Discovery headed home to retirement after undocking from the International Space Station on Monday for the last time.

How Earth's orbital shift shaped the Sahara

A change in the Earth’s orbit, many scientists believe, transformed the “Green Sahara” into what is now the largest desert on the planet. While scientists are still trying to find out if the slow shift in orbit ...

The Flight of Migrating Microbes

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

Firms plan green energy power lines under Med

An industrial consortium launched preparations on Monday for a possible future power grid under the Mediterranean that would carry solar energy from Africa to Europe.

Environmental damage looms in Nigerian lead crisis

(AP) -- As masked Nigerian environmental experts examined a communal well in a village where more than 60 children were killed by lead poisoning, barefoot kids streaked with dust sat on the contaminated ground, running their ...

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