A Documentary History of Conservation in America |
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Page 129
... population becoming dwellers in cities , the ratio of town to rural population will not be long in reaching a much higher standard than one - fifth , which it was in 1870 ; the more especially , as that percentage was then three times ...
... population becoming dwellers in cities , the ratio of town to rural population will not be long in reaching a much higher standard than one - fifth , which it was in 1870 ; the more especially , as that percentage was then three times ...
Page 253
... population problem . I may add that in this country we compound the population problem by the migratory habits of our people : from rural farm areas to urban areas and especially to " metropolitan " areas ( 212 such areas now have 84 ...
... population problem . I may add that in this country we compound the population problem by the migratory habits of our people : from rural farm areas to urban areas and especially to " metropolitan " areas ( 212 such areas now have 84 ...
Page 254
... population , but because people are getting richer and using more water for air - conditioning , swimming pools , and vastly ex- panded metal and chemical industries . That the air is getting crowded much more rapidly than the population ...
... population , but because people are getting richer and using more water for air - conditioning , swimming pools , and vastly ex- panded metal and chemical industries . That the air is getting crowded much more rapidly than the population ...
Contents
Awareness of the Living World | 3 |
MANS DOMINION | 97 |
THE FLAMING SWORD | 267 |
Copyright | |
2 other sections not shown
Common terms and phrases
abundance acres agriculture Aldo Leopold American animals areas beauty become birds buffalo busy monster Canaan Mountain century Charles Galton Darwin chemical cities civilization coal conservation conservationism crops desert Ducktown E. E. Cummings earth ecological ecologist economic environment environmental farm feet fertility fields fish forest future Gerard Piel grass green ground grow growth hills human hundred increase Indians industrial insects John Muir kill lake land land ethic landscape live look man's Mark Van Doren means ment miles million Mississippi mountain National Park nature nature's ocean parathion perhaps pesticides plain plants poison pollution population portions preserve problem produce region reservoirs rich river road rock selection soil spring streams things Thomas Cole thousand timber tion town trees valley vast vegetable Wasichus waste wild wilderness wind woods