News tagged with savannas

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.

dateJul 03, 2013 in Environment
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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 ...

dateDec 21, 2010 in Plants & Animals
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Forest and savanna can switch quickly

( -- 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 ...

dateOct 14, 2011 in Environment report
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