such as buildings and roads contributes to the increasing flood problems. Surface runoffs are causes of these structures. It was said that these surface runoffs are supposed to pass through sewage system‚ but because of poor construction the systems are incapable of accumulating all runoffs. One example of a sewage system that’s incapable of letting the flood run through it that was presented by the news from a blog in araia.net‚ is a creek called Canal de Balete‚ which is now buried under roads‚ the
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Methodology Where was data collected? Data was collected at Cipero River‚ South Trinidad The Cipreo River was chosen as the area of study for pollution. The study of pollution was ideal for the area‚ as it is a major area which is situated near the San Fernando region‚ these very rivers banks where also overflown of the year 2010. When was data collected? The field study was conducted on June 12th 2012‚ between the hours of 8.am. and 10.am. How was data collected? Data was obtained by the
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and fishing happens around the world‚ with people touching reefs‚ stirring up sediment‚ collecting coral‚ and dropping anchors on reefs. Some tourist resorts and infrastructure have been built directly on top of reefs‚ and some resorts empty their sewage or other wastes directly into water surrounding coral reefs. * In the past few decades‚ the amount of carbon dioxide in the air has increased by one-third. This is harmful to corals because increased amounts of carbon dioxide are dissolving
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A squatter settlement is an area of residence‚ the settlements are generally illegal because people have not got authority to build or legal ownership of land. In squatter settlements homes are generally built out of scraps (for example scrap metal and discard wood). These settlements are usually found around railway lines‚ waste tips and on rivers. People who live in squatter settlements work very hard just to survive‚ and to provide for their families. Residents of squatter settlements usually
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residential communities‚ potentially destroying the homes of people. Infectious Diseases • People are vulnerable to infectious diseases‚ during or after a natural disaster. Dead animals may appear on the streets‚ and flooding sewage water can easily infect wounds. Mosquitoes breed in sewage water and can carry a number of deadly diseases that can be transmitted to humans. such as malaria and West Nile virus. People who are in shelters are exposed to others who have been infected with a contagious virus‚ and
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CONTENTS 1. Introduction 2. Impact of Anthropogenic activities on marine environment 3. Degradation of marine environment 4. Pollution of the Marine Environment 5. Classification of marine pollution 6. Effects of Marine pollution 7. International Instruments designed for the protection and preservation of marine environment 8. Possible Mitigative Measures 9. Conclusion 10. References Introduction An extreme range of environmental problems is now the subject of serious international
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Danielle Loutfi Environmental education Pollution I. Definition Pollution occurs when pollutants contaminate the natural surroundings; which brings about changes that affect our normal lifestyles adversely. II. Why it is dangerous? Pollution disturbs our ecosystem and the balance in the environment. With modernization and development in our lives pollution has reached its peak; giving rise to global warming and human illness. III. Types & Causes of Pollution A. Air pollution It occurs when
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causes of pollution including sewage and fertilizers hold nutrients like nitrates and phosphates. In extra levels‚ nutrients over stimulate the growth of aquatic plants and algae. Excessive growth of these types of organisms consequently clogs our waterways‚ use up dissolved oxygen as they decompose‚ and block light to deeper waters. The main cause of water pollution are fertilizers and nutrient pollution. Some of the pollutants that are most prevalent in the manure‚ sewage and chemical fertilizers are
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Dynamics of mercury in the environment Mercury is a persistent‚ mobile and bio-accumulative element in the environment and retained in organisms. Because mercury is an element it is ultimately persistent; it cannot be converted to a non-mercury compound. Mercury in the aquatic environment is changed to various forms‚ mainly methylmercury. Once mercury enters into the environment‚ mercury permanently exists in the environment by changing its chemical forms depending on the environment. Figure as
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In the South any African American that was free‚ probably had to wear a badge and maybe even live in separate areas from whites. Also in the South‚ there were few public schools. In the North‚ cities were not very sanitary. Cities may have lacked sewage and paved roads. In the North‚ disease spread
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