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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Pollution is the introduction of harmful substances or products into the environment. It is a major problem in America and as well as the world. Pollution not only damages the environment‚ but damages us also. It has cause many problems ranging from lung cancer to the greenhouse effect. It is all among us and but we continue to live in our own filth. What is the reason behind this flawed logic? In this paper I will examine the problems and solutions for this issue. Automobiles are undeniable
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Nowadays‚ many countries are facing serious pollution problems. These problems are caused by human activities and the areas that most affected are land‚ water‚ and air. However‚ there are some solutions that can help people and the environment. Land pollution is a major problem which is increasing day by day. In my opinion‚ the main problem on land is litter on the streets. Fortunately‚ there are a number of possible solutions which could lead to a permanent reduction in the waste. One way would
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Mega Cities Mega cities are large cities‚ with a population of at least 8 million people. The amount of Mega cities are rising‚ due to the fact that for the first time in human history more people live in Urban Areas then rural areas. By 2015 there will be 33 Mega cities and 27 of them are in the developing world. Some examples of Mega cities are : Mexico city‚ Mumbai (India)‚ Bangkok‚ Cairo and manilla. There are many challenges from living in a mega city that is in a developing world. Some of
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Air pollution is the introduction into the atmosphere of chemicals‚ particulates‚ or biological materials that cause discomfort‚ disease‚ or death to humans‚ damage other living organisms such as food crops‚ or damage the natural environment or built environment. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth’s ecosystems
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“POVERTY AND POLLUTION” In the Article Poverty and Pollution‚ there are many things being discuss such as poverty‚ pollution‚ harmful gases‚ the percentage of infant mortality and how nearly 13‚000 suffer from respiratory disease. Many residents are suffering from different/variety of health problem as an result. These problems are very serious and dangerous. The people over in Brazil’s “valley of death” are having difficulties breathing and could die if there’s nothing done about the situation
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Did you know that most of the ocean pollution comes from us? This pollution can hurt the ocean animals and it will affect the food that we eat. Some of the most worst ocean pollution is untreated sewage dumped into the ocean‚ toxic chemical‚ and oil spills. The sewage gets into the ocean because of sewage pipes that break or leak. This is a problem because the sewage makes to much algae‚ and it will remove the oxygen. Around 80% of the sewage that is in the ocean is untreated. To help stop sewage
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SOIL POLLUTION INTRODUCTION Soil is the thin layer of organic and inorganic materials that covers the Earth’s rocky surface. The organic portion‚ which is derived from the decayed remains of plants and animals‚ is concentrated in the dark uppermost topsoil. The inorganic portion made up of rock fragments‚ was formed over thousands of years by physical and chemical weathering of bedrock. Productive soils are necessary for agriculture to supply the world with sufficient
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plastic pollution‚ the accumulation in the environment of man-made plastic products to the point where they create problems for wildlife and their habitats as well as for human populations. In 1907 the invention of Bakelite brought about a revolution in materials by introducing truly synthetic plastic resins into world commerce. By the end of the 20th century‚ however‚ plastics were found to be persistent polluters of many environmental niches‚ from Mount Everest to the bottom of the sea. Whether
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Refuse single-use and disposable plastics The facts Plastic is forever Plastic creates toxic pollution at every stage of its existence: manufacture‚ use‚ and disposal. Plastic is a material that the Earth cannot digest. Every bit of plastic that has ever been created still exists‚ including the small amount that has been incinerated and has become toxic particulate matter. Plastic poisons our food chain In the environment‚ plastic breaks down into small particles that attract toxic chemicals
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