Water conservation and clean w is the ly way to solveheshort

  Core Tip: In the case of hot water, imagine what the situation is. On hot days we want to take a bath, cook and we all need water, even if we do nothing, but also need to maintain the bodys

   In the case of hot water, imagine what the situation is. On hot days we want to take a bath, cook and we all need water, even if we do nothing, but also need to maintain adequate body of water, but if water shortages. Money can not buy water, the water becomes increasingly scarce, if a threat to survival, will affect social stability. Should we have such a sense of crisis, to prepare for the future

   Some scientists have predicted:? "Water shortage will soon become a profound social crisis." This is because ()

   A Earth the total amount of water is sufficient fresh water resources are ample;

   B due to the greenhouse effect of carbon dioxide, water constantly reduced evaporation;

   C fresh water resources are not sufficient, and the uneven distribution; [ 123]

   D constantly contaminated water, fresh water resources are becoming less abundant.

   The answer is C, D why not choose it? This is now a very controversial topic, but both sides have supported data views, but one thing is the same, that is, "water shortages will soon be become a profound social crisis. "option C to the effect of water is only about 2.53% of the total body of water on Earth, and 70% of solid ice is difficult to use, as well as the uneven distribution of freshwater resources, water scarcity may be more It refers to a variety of water shortage; D effect is selected, environmental destruction, contaminated water, drinking water safety is threatened.

鍑€姘? src= growing shortage of drinking water to produce a dangerous phenomenon: lack of water and immigrants. Global water shortage areas each year over 20 million population away from home. According to UN statistics, nearly 700 million people in 43 countries around the world often face "water stress" and water shortages. Earths population is about one-sixth of no clean drinking water, a third of the population lives difficult water. 2009 Drought refugees because of armed conflict and the number of immigrants several times.

   In the case of hot water, imagine what the situation is. On hot days we want to take a bath, cook and we all need water, even if we do nothing, but also need to maintain adequate body of water, but if water shortages. Money can not buy water, the water becomes increasingly scarce,If the threat to survival, will affect social stability. Should we have such a sense of crisis, to prepare for the future?

   how we need to do, we need to conserve water, we need to purify water, we need to improve efficiency and utilization of water, we have to reconstruct the ecological environment, safe water and sanitation. We have to solve water pollution, turning waste into treasure, we use water purifiers and advanced water purification technology, we ensure that only fresh water can be recycled.

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