Crops | VOL. 9, ISSUE 53, March-April 2009 |
The author is Professor, Earth System Analysis, Potsdam Institute for Climate Impact Research, Potsdam, Germany.
Apprehensions about climate change continue to rise, despite our limited ability to make precise assessments of its impact. This is partly due to the complexity of chemical and physical processes at various scales, and also due to confounding factors from other changes such as air pollution.
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