...long-term consequences. Some more densely populated countries, such as Japan and several in Western Europe, have been experiencing a reduction in the land used...acreages of cropland each year because of severe erosion. The availability of arable land is important, but perhaps even more important in the future will be...

...production for the past few decades. This trend is continuing and may well accelerate. Other Darts of the world, including particularly the Indian subcontinent,...acreages of cropland each year because of severe erosion. The availability of arable land is important, but perhaps even more important in the future will be...

...of the world, including particularly the Indian subcontinent, the Middle East, North and sub-Saharan Africa, the Caribbean, Central America, and the Andean...acreages of cropland each year because of severe erosion. The availability of water for agricultural purposes will be particularly critical for food production...

...long-term consequences. Some more densely populated countries, such as Japan and several in Western Europe, have been experiencing a reduction in the land used...acreages of cropland each year because of severe erosion. The area of land available for food production is important, but perhaps even more important in the...