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About Caldwell, Ian
Ian Caldwell is research associate of the EcoSanRes programme at the Stockholm Environment Institute (SEI), Stockholm, Sweden. He holds an MSc from the University of Toronto, where his research focused on carbon sequestration capacity enhancement and its economic policy implications at a study site in China.
Articles by Caldwell, Ian
Peak phosphorus
August 04, 2009 Arno Rosemarin , Gert de Bruijne , Ian Caldwell
Phosphorus, a key component of fertilizers, is crucial for the world’s food supplies. But as reserves of phosphate begin to run out, the impacts are likely to be immense – in terms of rising food prices, growing food insecurity and widening inequalities between rich and poor countries. Read more>>
