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245 00 |a Use of US Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land Use Change |h [electronic resource].
260        |c 2007-10-17.
490        |a Science Magazine.
506        |a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights.
520 3    |a Most prior studies have found that substituting biofuels for gasoline will reduce greenhouse gases because biofuels sequester carbon through the growth of the feedstock. These analyses have failed to count the carbon emissions that occur as farmers worldwide respond to higher prices and convert forest and grassland to new cropland to replace the grain (or cropland) diverted to biofuels. Using a worldwide agricultural model to estimate emissions from land use change, we found that corn-based ethanol, instead of producing a 20% savings, nearly doubles greenhouse emissions over 30 years and increases greenhouse gases for 167 years. Biofuels from switchgrass, if grown on U.S. corn lands, increase emissions by 50%. This result raises concerns about large biofuelmandates and highlights the value of using waste products.
533        |a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software.
650        |a climate change.
650        |a greenhouse gases.
650        |a croplands.
650        |a land use.
650        |a biofuels.
720        |a Timothy Searchinger.
720        |a Ralph Heimlich.
720        |a R.A. Houghton.
720        |a Fengxia Dong.
720        |a Amani Elobeid.
720        |a Jacinto Fabiosa.
720        |a Simla Tokgoz.
720        |a Dermot Hayes.
720        |a Tun-Hsiang Yu.
773 0    |t Use of US Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land Use Change
830    0 |a dpSobek.
830    0 |a Sea Level Rise.
852        |a dpSobek |c Sea Level Rise
856 40 |u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15050312/00001 |y Click here for full text
856 42 |3 FULL TEXT- Use of US Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land Use Change |u http://science.sciencemag.org/content/319/5867/1238 |y Use of US Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land Use Change
992 04 |a http://dpanther.fiu.edu/sobek/content/FI/15/05/03/12/00001/FI15050312_thm.jpg
997        |a Sea Level Rise


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