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Fossil Fuels Noise Pollution
1,257 words... gy exists for point sources of pollution to be monitored and regulated, although political factors may complicate matters. Nonpoint sources-runoff water containing pesticides and fertilizers from acres of agricultural land, for example-are much more difficult to control. Pollution arising from nonpoint sources accounts for a majority of the contaminants in streams and lakes. With almost 80 percent of the planet covered by oceans, people have long acted as if those bodies of water could serve...
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Species Of Tree Rain Forests Plants
403 wordsFor many years now, scientist have been scouring tropical rain forests for botanical extracts that could cure some of the deadliest diseases. In 1967 Robin Foster discovered a tree that never flowered. After three years of studying this species of tree, it finally flowered. All at once the trees produced an array of light yellow and pink flowers. Unfortunately, these trees all died within a year of their flowering and fruiting. Robin also discovered that as soon as the tree flowered it was attac...
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Tropical Rain Forest Tropical Forests
2,490 wordsAguilar, S. and R. Condit. In press. Uso de abodes nation por una comunidad de campesinos en Panama. Biotropica. Appanah, S. and G. Weinland. 1993. A Preliminary Analysis of the 50 -hectare Pasoh Demography Plot: I. Dipterocarpaceae. Research Pamphlet No. 112. Kepong, Malaysia: Forest Research Institute of Malaysia. Appanah, S. , A. H. Gentry, and J. V. La Frankie. 1993. Liana diversity and species richness of Malayan rain forests. Journal of Tropical Forest Science 6 (2): 116 - 123. Ashton, P. ...
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Rain Forests Tropical Rain
609 wordsRain forests may be grouped into two major types: tropical and temperate. Tropical rain forest is evergreen trees that form a closed canopy, below which is found a zone of vines and epiphytes where plants grow on trees, a relatively open forest floor, and a very large number of species of both plant and animal life. The largest trees have buttressed trunks above the continuous canopy, while smaller trees form a layer of more shade-delicate species beneath the upper canopy. The maximum height of ...
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Environmental Problems In Africa
1,809 wordsThe environmental problems seem to be key challenges of the XXIst century. In the previous years the world politics and every person in general was occupied with politics and wars. But with the development of new technologies, with the increasing number of plants and factories all kind of manufacturing in general, a huge shift was made towards the environmental issues. The terrestrial, freshwater and marine environments have declined in virtually all aspects. New developments in industry and man...
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Clean Water Act Parts Per Million
3,121 wordsWhen most people think of wetlands the first thing that will pop into their mind will be visions of swamps and flooded plains. These marshy lands would seem to have no purpose, while in reality they are the most precious form of ecosystem that we have in America. Wetlands contribute to biodiversity, clean water, flood control, and provide a habitat for millions of species of plants and animals. Even with all this wetlands still face mass destruction, much like the rain forests they are just as p...
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Rain Forests Major Threat
1,200 wordsIn this melanistic form the cats are more difficult to separate, however the jaguars large head and stocky forelimbs are often a good way to differentiate between the two cats. In the wild, identification would not be an issue as the cats inhabit different continents - the jaguar is the only member of the panther family to be found in the Americas and its is by far the biggest cat on the continent. The Jaguars range, which once spanned from the southern states of the USA down to the tip of South...
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Great Barrier Reef Coral Reefs
1,480 wordsThe report that you are about to read is about coral reefs, their habitats, and the problems that they are facing. I chose coral reefs for my project because I have always been interested in marine biology, and I am a fan of the ocean as well. As what you are about to read explains, coral reefs are in danger of extinction. Hopefully, man will realize what he has done to them and decide to take care of and protect them. I hope you enjoy my essay. Coral reefs are arguably the world s most beautifu...
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P O Box F A O
1,524 wordsTable of Contents Introduction 1 Important Deforestation Deforestation Table of Contents Introduction 1 Important Facts 1 Historical Background 1 - 2 Background Law 2 Causes of Deforestation 2 The Green House Effect 2 - 3 Reducing Deforestation 3 Case Studies 3 - 4 Pros and Cons 4 - 5 Conclusion 5 Ninety percent of our trees, 300 900 years old, have been cut down. The remaining 10 % is all we will ever have. Deforestation is a significant issue of our time and must be taken seriously if we want ...
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Twenty Five Percent F A O
1,058 wordsDeforestation is one Deforestation Thesis: Deforestation is one of the most significant issues of our time; considerable measures must be taken to prevent further pillaging of our unique forest resource. Ninety percent of the earth? s trees between three and four hundred years old have been cut down. The remaining ten percent is all we will ever have (Gallant, 97). The definition of deforestation by the Random House Dictionary of the English Language is to divest or clear of forests or trees. ? ...
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Carbon Dioxide Emissions Carbon Dioxide Methane
2,223 wordsThe phenomenon described as global warming has been well studied and documented by researchers throughout the world for several years. It is a phenomenon that has the potential to destroy our planet and all life on it. This essay will briefly define global warming, provide evidence of global warming, outline the main causes of global warming and discuss both the known and potential impacts of global warming on the planet earth. Comments are also made concerning actions being taken as well as oth...
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Social And Economic Sierra Madre
4,046 wordsSouthward from its Mexico MEXICO Southward from its 1, 500 mile long border with the United States lies the Estados Unidos Mexicanos. A country with slightly more than 750, 000 square miles in area, Mexico has a vast array of mineral resources, limited agricultural land, and a rapidly growing population. These factors are the basis for many of the countrys present problems as well as opportunities for future development. The nation is struggling to modernize its economy. With more than 80 millio...
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