Tài liệu A Citizen''''s Guide to Ecology ppt

[...]... requires careful analysis and qualifications to be useful in any practical way.8 Public awareness of ecology in the United States began when the American frontier disappeared At first the loss of wilderness had poetic and sentimental meaning For some it meant loss of study areas It was not immediately seen as a significant danger—as claiming victims This began to change sixty years ago The great Oklahoma dust... There are, around the world, significant political parties with strong ecological positions They advocate various regulations or bans on particular ecologically dangerous activities such as agriculture and manufacturing They also develop specific targets for change based on local circumstances For example, ten years ago there was a campaign by Japanese green organizations to encourage switching to reusable... chaplain for the Episcopalian students, who had arranged an altar with a symbolic dish of earth and a flower in a vase The congregation was small, elderly, and earnest A television special on Earth Day 2000 had lower viewer ratings than any competing show Ecology (and also evolution) books are turning up on the remainder tables in front of cut-rate bookstores Has the heyday of ecological concern passed?... Arbor Day or Flag Day University officials were trying to make it popular rather than being afraid it would break out into violence I was the main speaker at Howard University's 1991 Earth Day celebration and spoke to less than ten students in a large auditorium Ten years later, at my home university, the State University of New York at Stony Brook, the director of the Earth Day celebrations was a monk,... It was presumably less healthy than clean-smelling air The belief in damage to health from foul odors is ancient Note that the word malaria is Latin for "bad air." In fact, before the role of mosquitoes in transmitting the disease was known, staying away from swampy air was the best protection against the disease The U-bend in the drain of any modern sink or toilet was designed to place trapped water... these changes requires humans, nor can humans prevent any of them Although human activity cannot destroy the global ecosystem, we can change it in ways that will be unpleasant for us Most human activities that have any ecological meaning are massive accelerations of processes that have always occurred, such as flattening of mountains and breaking of rocks The earth's atmosphere is particularly sensitive... of Antarctic glaciers The chemistry of the atmosphere has changed not only because of furnaces and automobiles and the loss of forests, but also from what would seem to be small things, such as the propellants for hair spray and underarm deodorants Even the temperature of the earth is changing, at least partially as a result of human activity Concern with humanity's effect on nature is at least as... racism, anthropocentrism, sexism, or eating of red meat Villains may also be chosen from a short list of industries 16 A CITIZEN'S GUIDE TO ECOLOGY (most often mining, oil, paper, agriculture, lumber, and automobile manufacturing) and organizations (National Association of Manufacturers, Environmental Protection Agency, Bureau of Land Management) Religious denominations, Catholic or Protestant, can... appear is extremely beautiful, and thinking about ecology can be a great pleasure Descriptions of nature can be dramatic The list of characters includes molecules, mountain ranges, lions, butterflies, real serpents and dragons, and ultimately all of humanity There is a temptation to infer mysterious causes for natural Introduction \ 5 events, as if nature had very human qualities such as kindness and... to practical ecology as a liberal art A good liberal arts course on Shakespeare permits a more sophisticated reading of his sonnets and plays After finishing this book, the reader should be able to approach other books and articles on ecology in a more sophisticated way I hope to look at the underpinnings of ecology what I see as its significant ideas and contributions but also its implicit assumptions . 07489615-E590-4818-BC90-629148 5A6 F9B OXFORD Oxford New York Auckland Bangkok Buenos Aires Cape Town Chennai Dares Salaam Delhi Hong Kong Istanbul Karachi Kolkata Kuala Lumpur Madrid Melbourne Mexico . ways that will be unpleasant for us. Most human activities that have any ecological meaning are massive accelerations of processes that have always