Even in the areas that retain a soil cover, the reduction of vegetation typically results in the loss of the soil's ability to absorb substantial quantities of water.

即使在保留土壤覆盖的地区，植被的减少通常也会导致土壤丧失吸收大量水分的能力。

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This, says Professor Kenneth Strzepek of the University of Colorado, could mean an 18% reduction in worldwide water availability for food growing by 2050.

科罗拉多大学的肯尼思教授说，这有可能意味着，到2050年，全球可用于食物生长的水源将减少18%。

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Long lead-time material for the additional vessels will include diesel engines, water jets and reduction gears.

额外联合高速船的长期材料包括柴油发动机、水力发动机和减速齿轮。

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At issue is the sale by Hungary's Ministry of Environment and Water of 800, 000 certified emission-reduction credits (CERs).

ECONOMIST: Carbon markets

Its Ohio River basin water-quality trading project will allow those facing high pollution-control costs to buy reduction credits from those whose costs are lower.

ECONOMIST: Nutrient pollution

Water-cooling of this sort could also make a more direct contribution to the reduction of greenhouse-gas emissions, by promoting the use of solar energy.

ECONOMIST: Monitor