Concept of “Environment”
Keep the East Asia clean and green.
Let’s share some ideas and technologies for the prevention of global warming.
look first!
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Thinking about the rainfall of the rainy season --Virtual water !Virtual water refers to the water used in the production of a good or service. For instance, it takes 1,300 cubic meters of water on average to produce one metric tonne of wheat. The precise volume can be more or less depending on climatic conditions and agricultural practice. Hoekstra and Chapagain have defined the virtual-water content of a product (a commodity, good or service) as ”the volume of freshwater used to produce the product, measured at the place where the product was actually produced”. It refers to the sum of the water use in the various steps of the production chain...... June 2, 2011 9:29 AM by bluedragon(Singapore / Malaysia) <= Please click "Comment(Answer)" to comment on this contribution. |