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Climate engineering to reverse global warming may impact biodiversity: Experts October 15,2012   |  Source: IANS

Can the impact of global warming be lessened by deploying sun-shields in space and by injecting sulphates in the upper atmosphere to reduce the amount of solar energy reaching the earth?

Environmental scientists and other experts are currently grappling with the proposed geoengineering technologies and are studying the impact they could have on biodiversity.

Geoengineering is the deliberate intervention in the earth's climate system to moderate global warming.

The experts believe Sunlight Reflection Methods (SRMs) and Carbon Dioxide Removal (CDR) techniques could reduce the magnitude of climate change but are likely to have unintended impacts on biodiversity with significant risks and uncertainties.

The experts' report on geoengineering in relation to biodiversity is being discussed at the ongoing 11th meeting of Conference of Parties (COP11) to the Convention of Biodiversity (CBD) in Hyderabad, India.

Over 170 countries are attending the meet, discussing various issues related to biodiversity.

The experts believe reducing emissions is the best strategy to avoid climate change. "But that is not happening. With global temperature increases of more than four degrees projected, we need to study viability of other actions," Phil Williamson of the University of East


© 2012 Bennett, Coleman & Co. Ltd.

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