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英文字典中文字典相关资料:


  • Sustainable Agro-Food Systems for Addressing Climate Change . . .
    The current global population of 7 7 billion is expected to reach 9 7 billion by 2050 and 11 billion by 2100 Along with China, developing countries account for almost 85% of the world population Global agricultural production has to increase by approximately 60–70% from the current levels to meet the increased food demand in 2050 [32,33
  • The World Bank CCDR Water Sector Synthesis
    Future CCDRs can be further improved by (1) systematically estimating the investment needs of the water sector and evaluating their cost-effectiveness; (2) improving modeling approaches to better assess the impact of water sector shocks on the macroeconomy , (3) developing a stronger narrative regarding the effects of water shocks on employment
  • Global impacts of future cropland expansion and . . .
    With rising demand for biomass, cropland expansion and intensification represent the main strategies to boost agricultural production, but are also major drivers of biodiversity decline We
  • Land Use - Our World in Data
    The agricultural area use is divided into two categories: cropland (33% of the global agricultural area and permanent meadows and pastures (67%) which account for the largest share of the world's agricultural area 2 What do these words mean? The agricultural area is the sum of cropland, permanent meadows, and pastures
  • Groundwater, making the invisible visible | UN World Water . . .
    Groundwater already provides half of the volume of water withdrawn for domestic use by the global population, including the drinking water for the vast majority of the rural population who do not get their water delivered to them via public or private supply systems and around 25% of all water withdrawn for irrigation





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