This report reviews the evidence base on how agricultural policies impact environmental sustainability and productivity of the agriculture sector, including the potentially contradictory signals policies may send. It considers impacts for specific policy types, classified according to the...

This paper addresses the issue of environmental and ecological impacts of nutrient flows within and between countries by reviewing and presenting data on nutrient balances and global nutrient movements. The results for nutrient depletion in agricultural soils during 1996-1999 show that in most...