The National Geographic Magazine, Volume 215, Issues 1-3National Geographic Society., 2008 - Geography |
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Page 47
... energy to extract than bitumen from surface mines . Injecting steam into wells and upgrading the bitumen consumes vast amounts of water and natural gas . Oil sands production uses enough natural gas daily to heat more than 3 million ...
... energy to extract than bitumen from surface mines . Injecting steam into wells and upgrading the bitumen consumes vast amounts of water and natural gas . Oil sands production uses enough natural gas daily to heat more than 3 million ...
Page 60
... ENERGY IT STARTS AT HOME We already know the fastest , least expensive way to slow climate change : Use less energy . With a little effort , and not much money , most of us could reduce our energy diets by 25 percent or more- doing the ...
... ENERGY IT STARTS AT HOME We already know the fastest , least expensive way to slow climate change : Use less energy . With a little effort , and not much money , most of us could reduce our energy diets by 25 percent or more- doing the ...
Page 67
... ENERGY CONTENT OF FUELS AND THE POWER OF HEATING AND COOLING SYSTEMS . ONE KILOWATT - HOUR OF ELECTRICITY IS EQUIVALENT TO 3,412 BTU . SEAN MCNAUGHTON , NG STAFF SOURCE : ENERGY INFORMATION ADMINISTRATION , ANNUAL ENERGY OUTLOOK 2008 ...
... ENERGY CONTENT OF FUELS AND THE POWER OF HEATING AND COOLING SYSTEMS . ONE KILOWATT - HOUR OF ELECTRICITY IS EQUIVALENT TO 3,412 BTU . SEAN MCNAUGHTON , NG STAFF SOURCE : ENERGY INFORMATION ADMINISTRATION , ANNUAL ENERGY OUTLOOK 2008 ...
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