The Earth Around Us: Maintaining A Livable PlanetHenry Holt and Company, 2000 M03 27 - 250 pages Soil contamination...public lands...surface and groundwater pollution...coastal erosion...global warming. Have we reached the limits of this planet's ability to provide for us? If so, what can we do about it? |
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... percent of the human population that do not see shooting stars—perhaps because of perennially bad weather or because of city light pollution. To people living under these conditions, shooting stars are not merely uncommon, they are ...
... percent of the water in the Nile system. And sediments have been filling the reservoir and decreasing its storage capacity, although the High Dam is still expected to have a life of 500 years. In turn, storage of sediments behind the ...
... percent of the plains is now farmor ranchland; 75 percent of this land is cultivated with wheat as the major crop and the rest is grazed.56 Towns and cities, highways and railroad rights-of~ways, and grassland preserves and refuges ...
... percent of wells in most towns are drilled into rock that gives up its water grudgingly, a quart each minute, maybe a half gallon. But sometimes, just next door to a nearly dry hole is a well that didn't go so deep, a well that the ...
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Contents
1 | |
Part II SCIENTIFIC JUDGMENTS AND ETHICAL CONSIDERATIONS | 57 |
Part III RESOURCES RECONFIGURED | 121 |
Part IV LOCAL MANIPULATIONS | 197 |
Part V INVENTIVE SOLUTIONS | 255 |
Part VI WHOLE EARTH PERTURBATIONS | 307 |
Part VII GLOBAL PERSPECTlVES | 357 |
Source Notes | 410 |
Index | 443 |