Scientists say that planting large numbers of jatropha trees in desert areas could be an effective way of curbing emissions of CO2.
Dubbed "carbon farming", researchers say the idea is economically competitive with high-tech carbon capture and storage projects.
But critics say the idea could be have unforeseen, negative impacts including driving up food prices.
See full Article: http://www.bbc.co.uk/news/science-environment-23518879
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