"'Growth' and 'progress' are among the key words in our national vocabulary. But modern man now carries Strontium 90 in his bones ... DDT in his fat, asbestos in his lungs. A little more of this 'progress' and 'growth,' and this man will be dead.", this is Morris K.”Mo” Udall said warning to people use of pesticide. Environmental hazard has become serious social problem, it is not surprising there have been many natural disaster in the world. Environmentalists have found that environmental hazards from scientific innovation such as household hazardous waste, farm pollution and a nuclear plant. The first cause of environmental hazards is household waste. Leftover household products that contain toxic, reactive ingredients are considered to be “hazardous waste”, such as paints, cleaners, oils, and pesticides. When we washcloth or plates, have used too much cleaning substances. According to the Nation master statistics the United States household wastes are 720tons in 2007. This statistic shows that lots of people are throwing the trash without any consider. They are pouring the waste down the drain, on the ground, into storm sewers, or in some cases putting them out with the trash. The dangers of such disposal methods might not be immediately obvious, but these wastes can pollute the environment and threaten human health. The second environment cause is farm pollution. These days agriculture has developed rapidly as the customer’s demand. Farmers have changed to factory farm that has hundreds of animals and plants. In United Kingdom, estimated 200million tones undiluted excreta, sewage per year and it is produced by cattle. In addition to untreated animal excreta and swage both of which contain excessive amounts of nitrogen. These pollutants move through soil, water and at-mosphere, cause land and water pollution. First they are absorbed into soil when it rains, and the polluted water moves to streams, the streams become the sea. When the...
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