2017年世界水日英语作文：3.22世界水日
2017年世界水日英语作文：3.22世界水日
water is one of the most valuable resource in the world, is the ideal liquid to sustain life. mammals in vivo is between 60% and 65% water, two-thirds of the human body weight, 99% of the brain, bones are about 44% water. lack of water, the human and the earth will not survive, forests will disappear, the plant will perish, the earth will appear the boundless desert, signs of life will disappear.
currently the world's fresh water accounts for only 2.5% of the total water resources, of which more than 70% is frozen in the arctic and antarctic ice sheets, and it is difficult to use the snow on the mountain glaciers and permafrost, 87% of the fresh water resources is difficult to use. humans really able to take advantage of the freshwater resources is part of the rivers and lakes, and groundwater, accounts for about 0.26% of the earth's water.
given the global freshwater resources shortage, not only will soon fall into the predicament of the water shortage in many countries, economic development will be limited, on january 18, 1993, the 47th united nations general assembly resolution, determine the annual march 22 as "world water day". after the water act of the people's republic of china promulgated in 1988, the ministry of water resources is to determine the annual july 1 to 7 as "china's water week", considering the "world water day" and "china water week" the purpose and content of basic same, therefore, starting from 1994, change the time of "china's water week" to the annual march 22 to 28, time coincidence, make a campaign more highlights the theme of "world water day".