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英文字典中文字典相关资料:


  • The United Nations world water development report 2016: water . . .
    WWAP brings together the work of 31 UN-Water Members as well as 38 Partners to publish the United Nations World Water Development Report (WWDR) series The annual World Water Development Reports focus on strategic water issues UN-Water Members and Partners — all experts in their fields — contribute with latest findings on a specific theme
  • Freshwater Scarcity - Annual Reviews
    The availability and use of fresh water are critical for human health and for economic and ecosystem stability But the growing mismatch between human demands and natural freshwater availability is contributing to water scarcity, affecting industrial and agricultural production and a wide range of social, economic, and political problems, including poverty, deterioration of ecosystem health
  • Biochars reduce irrigation water sodium adsorption ratio
    Freshwater use alone has increased nearly sixfold since 1900, with upwards of 350 billion m 3 of freshwater used annually for agricultural purposes in countries such as the U S , China, India, and Pakistan (Ritchie and Roser 2018); 70% of global freshwater withdrawals are accounted for agriculture (FAO 2017) Among the threats to agricultural
  • Application of gravity and remote sensing data to groundwater . . .
    Globally, groundwater is the source of one-third of all freshwater exploitation, supplying an estimated 36%, 42%, and 27% of the water used for domestic, agricultural, and industrial purposes, respectively (Döll et al , 2012)
  • We Need to Talk About Meat | UNFCCC
    The rearing of livestock generates 14 per cent of all carbon emissions, similar to the amount generated by all transport put together Currently, farmed animals occupy nearly 30 per cent of the ice-free land on Earth The livestock sector generates a seventh of global greenhouse gas emissions and consumes roughly one-third of all freshwater on
  • Ecosystem health - UNEP - UN Environment Programme
    The air we breathe, the water we drink and the food we get from the land, lakes, rivers and oceans are all dependent on healthy freshwater ecosystems Access to fresh water, in sufficient quantity, quality and availability, is fundamental to human life, health, well-being and dignity and is a human right





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