Critical views on biofuels for aviation - Nordic Energy · Source: BP Statistical Review of World...
Transcript of Critical views on biofuels for aviation - Nordic Energy · Source: BP Statistical Review of World...
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Critical views on biofuels for aviation
Bjart HoltsmarkStatistics Norway
atSeminar by the Nordic Council of Ministers
Oslo1st September 2016
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Oil
NaturalgasCoal
Nuclearenergy
Hydroelectricity
Solarandwind Bioenergy
Biofuels
Worldprimaryenergyconsumption2014
Source: BP Statistical Review of World Energy 2015 and IEA World Energy Outlook 2014 (bioenergy)
0.5 % of world energy consumption
11 %
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Fooduse
86%
Biofuel14%
Vegetableoils
Feeduse60%
Otheruse
11%
Fooduse17%
Biofuel
12%
Coarsegrains
Oil
NaturalgasCoal
Nuclearenergy
Hydroelectricity
Solarandwind Bioenergy
Biofuels
Worldprimaryenergyconsumption2014
Source: BP Statistical Review of World Energy 2015 and IEA World Energy Outlook 2014 (bioenergy)
0.5 % of world energy consumption
11 %
Source: OECD-FAO Agricultural Outlook 2015
Expanding of the foodcrop basedbiofuels production will be veryland demanding
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OECD-FAO Agricultural Outlook 2015:Food-crop based feedstocks are expected to continue to dominatethe biofuels market over the coming decade
• Population growth• Income effects
Consequences:• Deforestation• Reduced biodiversity
What are the effects of massive land use for biofuels in thissituation?Recall: The world economy is not a ”command and control” economy – it is a market economy – with limited possibilities for controlling where biofuels production will take place
The basic facts and questions:
Growing demand for food (and land)
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Demand for land for biofuels production
Use of currently productive land Conversion of unmanaged landiLUC-emissions
Increased demandfor land for foodproduction
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Photo: NASA, June 19, 2013
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Photo: France Lanting/Robert Harding Picture Library
Recent literature on iLUC• Barona et al (2010). The role of pasture and soybean in deforestation of the Brazilian Amazon.
Environmental Research Letters, 5(2)
• Lapola et al. (2010). Indirect land-use changes can overcome carbon savings from biofuels in Brazil. Proceedings of the National Academy of Sciences, 107(8)
• Busch et al. (2015). Reductions in emissions from deforestation from Indonesia's moratorium onnew oil palm, timber, and logging concessions. Proceedings of the National Academy of Sciences, 112(5), 1328-1333.
• Searchinger et al. (2008). Use of U.S. Croplands for Biofuels Increases Greenhouse Gases ThroughEmissions from Land-Use Change. Science, 319(5867), 1238-1240.
• Chakravorty, Hubert, Moreaux, & Nøstbakken, Linda (2015). The Long-Run Impact of Biofuels onFood Prices RFF Discussion Paper (Vol. 15)
• Overmars, Stehfest, Ros, & Prins (2011). Indirect land use change emissions related to EU biofuelconsumption: an analysis based on historical data. Environmental Science & Policy, 14(3), 248-257
• Laborde, D., & Valin, H. (2012). Modeling land-use changes in a global CGE: Asessing the EU biofuel mandates with the MIRAGE-BioF model. Climate Change Economics, 03(03)
”Biofuels may actually increase aggregate world carbon emissions, due to leakage (…) and conversion of pasture and forest land for farming.”
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2 billion liters by 2050
= approximately 20 million m3 wood
= 2 x annual Norwegian harvest
• Will lead to a harvesting level higher than in a BAU case
• Makes my own research relevant
• 8 articles in scientific journals
Biofuels for aviation from Nordic forests:
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Carbonaccumulatedintheatm
sphere
Time(years)
Netchangeinaccumulatedemissionsofcarbontothe
atmosphereifbioenergyreplacesfossilfuels
t1t0
Most likely more than 100 years