Deserts 'greening' from rising CO2

Increased levels of carbon dioxide (CO2) have helped boost green foliage across the world's arid regions over the past 30 years through a process called CO2 fertilisation, according to CSIRO research.

Ancient livestock dung heaps are now African wildlife hotspots

Often viewed as wild, naturally pristine and endangered by human encroachment, some of the African savannah's most fertile and biologically diverse wildlife hotspots owe their vitality to heaps of dung deposited there over ...

Earth is losing its fire power

The world's open grasslands and the beneficial fires that sustain them have shrunk rapidly over the past two decades, thanks to a massive increase in agriculture, according to a new study led by University of California, ...

Seeing double: Africa's 2 elephant species

Contrary to the belief of many scientists (as well as many members of the public), new research confirms that Africa has two—not one—species of elephant. Scientists from Harvard Medical School, the University of ...

Gum arabic potential cure for Sudanese ills

Since he was 14, Al-Amin has tapped gum arabic, the resin of an acacia tree that thrives in Sudan's conflict states -- "manna" from heaven for some, a key ingredient in Coca-Cola for others.

Forest and savanna can switch quickly

(PhysOrg.com) -- Two recent studies have found that environmental changes can bring previously stable forests and grasslands to tipping points that produce sudden large-scale and sometimes irreversible changes in which forest ...

Europe's first 'eTree' puts down roots in central France

A solar tree with giant square leaves that convert sunlight into electricity was unveiled in the central French town of Nevers on Monday, allowing passers-by to charge their phones, surf the internet... or just enjoy the ...

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