nation lies along the Pacific Ring of fire doesn’t help either‚ which subjects the country to frequent earthquakes and volcanic activity. The environmental problems that El Salvador continually struggles with are deforestation‚ soil erosion‚ water pollution‚ contamination and lack of bio-diversity. El Salvador is the second most deforested country in Latin American after Haiti. In fact‚ nearly eighty five percent of its forest has disappeared since the 1960’s. Today‚ less than 6‚000 hectares
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Energy has a legal obligation under the laws of the particular country on December 31‚ 2011 as a result of past occurrences of soil contamination. Since it is virtually certain that a draft law requiring a cleanup of contaminated land will be enacted‚ it is probable that a settlement will need to be made. The amount of the obligation can also be estimated since Energy has made similar
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capacity will reduce‚ so in this case foundations should keep higher than normal. In this condition a shallow and wide strip foundation can be used‚ and reinforced foundations can also be useful. As the safe bearing capacity of compact gravel sub soil = 100kN/m² (Chudley & Greeno‚ 2010) This safe bearing capacity is for 1 m²‚ for .5 m² it will be 50kN. W = LoadBearing Capacity W = 68kN/m ÷100kN/m²1000mm Required Width = 680mm It can also be chose from table provided‚ according to which
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The short-term effect of the radioactive contamination in Fukushima nuclear power disaster A nuclear power disaster can result in terrible radioactive contamination. According to the report of Nuclear Safety and Security Institute‚ radioactive level in the central control room of Unit 1 reactor at the Fukushima Daiichi Station was 1000 times higher than its normal level after the earthquake. The communique reported that the amount of radiation around the gate of the nuclear power plant was increasing
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safety‚ and environmental threats: • Fire and explosion • Inhalation of toxic gases • Injury to children playing on or around the dump site • Disease carried by mosquitoes‚ flies‚ and rodents • Contamination of streams‚ rivers and lakes • Contamination of soil and groundwater • Contamination of drinking water • Damage to plant and wildlife habitats • Decrease in the quality of life to nearby residents and the local community Open dumps create a public nuisance‚ divert land from more productive
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Temperature‚ moisture‚ soil type‚ microbial activity‚ oxygen concentration‚ sunlight‚ nitrification‚ and the amount of leaching all have an effect on the breakdown of pesticides in the soil (Extoxnet‚ 2000a). Rainfall patterns and the timing/intensity of irrigation in relation to high rainfall intensities will also influence herbicide movement in or from soil. Metolachlor is considered to be moderately persistent in different soil types (U.S. EPA‚ 1997)‚ and has an average field dissipation half-life
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EARTH The earth is 4.5 billion years old. The Big Bang theory says that there was an explosion caused by the crash of matter which created our Solar System. Millions of years ago‚ during the Paleozoic era‚ the seven continents formed one single super-continent‚ from which they later detached driven by endogenous forces. Mankind appeared on Earth 30000 years ago. According to Darwin organisms which adapt the best to the environment they live in‚ survive the longest. Mankind become the dominant
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intensive‚ farmers have become capable of producing higher yields using less labour and less land. Growth of the agriculture has not‚ however‚ been an unmixed blessing. It‚ like every other thing‚ has its pros and cons. Topsoil depletion‚ groundwater contamination‚ the decline of family farms‚ continued neglect of the living and working conditions for farm labourers‚ increasing costs of production‚ and the disintegration of economic
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it constitutes about two-third of our body and the innumerous benefits and importance make it a non-negotiable part of our lives. At the first glance and sniff we know if the water looks clean and odorless then comes the question of microbial contamination‚ something the naked eye cannot see. Because of the nature of water‚ its solubility and availability‚ it can be host to many microbes and become the source of many waterborne diseases. Growing population‚ industrialization and rapid urbanization
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grow sustainable food to avoid weed‚ disease and pest problems‚ get nitrogen from natural sources like green manure and compost‚ practice soil conservation‚ minimize soil erosion and eliminate or limit the contamination of water with agricultural chemicals. The strategies they use to control pests are not harmful to the farmer‚ the consumer or the land and soil structure. In America‚ Ohio State’s dining services programs are actively committed to helping the earth. Initiatives such as local purchasing
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