The National Geographic Magazine, Volume 213, Issues 1-3National Geographic Society., 2007 - Geography |
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Page 82
U.S. ENERGY SAVINGS Each sphere represents the energy saved in the U.S. , in millions of Btu * per ton , when products are manufactured using the maximum percentage of recycled material , compared with using virgin materials alone .
U.S. ENERGY SAVINGS Each sphere represents the energy saved in the U.S. , in millions of Btu * per ton , when products are manufactured using the maximum percentage of recycled material , compared with using virgin materials alone .
Page 83
NATIONAL GEOGRAPHIC STAFF DOES IT MAKE SENSE TO RECYCLE ? energy - intensive history : mountains of The short answer is : Yes . ore that have been mined ( bauxite , say , for True , some critics wonder whether manda- aluminum cans ) ...
NATIONAL GEOGRAPHIC STAFF DOES IT MAKE SENSE TO RECYCLE ? energy - intensive history : mountains of The short answer is : Yes . ore that have been mined ( bauxite , say , for True , some critics wonder whether manda- aluminum cans ) ...
Page 10
The global warming hysteria has at least been a wake - up call to spend money for research in renewable energy solutions . The real threat to human survival is not melting ice , but lack of energy . If we can capture the energy of the ...
The global warming hysteria has at least been a wake - up call to spend money for research in renewable energy solutions . The real threat to human survival is not melting ice , but lack of energy . If we can capture the energy of the ...
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Contents
Features | 5 |
Living With Volcanoes 34 In Indonesia life plays out in the shadow of fiery peaks | 38 |
Why Recycle? 82 Its worth the effort to turn bottles and cans into new products | 82 |
Copyright | |
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