Abstract
Reduction of CO 2 emissions will require a transition from fossil fuels to alternative energy sources. Expansion of Brazilian sugarcane ethanol provides one near-term scalable solution to reduce CO 2 emissions from the global transport sector. In contrast to corn ethanol, the Brazilian sugarcane ethanol system may offset 86% of CO 2 emissions compared to oil use, and emissions resulting from land-use change to sugarcane are paid back in just 2-8 years. But, it has been uncertain how much further expansion is possible given increasing demand for food and animal feed, climate change impacts and protection of natural ecosystems. We show that Brazilian sugarcane ethanol can provide the equivalent of 3.63-12.77 Mb d -1 of crude oil by 2045 under projected climate change while protecting forests under conservation and accounting for future land demand for food and animal feed production. The corresponding range of CO 2 offsets is 0.55-2.0 Gigatons yr -1. This would displace 3.8-13.7% of crude oil consumption and 1.5-5.6% of net CO 2 emission globally relative to data for 2014.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 788-792 |
| Number of pages | 5 |
| Journal | Nature Climate Change |
| Volume | 7 |
| Issue number | 11 |
| DOIs | |
| State | Published - Nov 1 2017 |
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ASJC Scopus subject areas
- Environmental Science (miscellaneous)
- Social Sciences (miscellaneous)
Cite this
Brazilian sugarcane ethanol as an expandable green alternative to crude oil use. / Jaiswal, Deepak; De Souza, Amanda P.; Larsen, Søren; LeBauer, David Shaner; Miguez, Fernando E.; Sparovek, Gerd; Bollero, German A; Buckeridge, Marcos S.; Long, Stephen P.
In: Nature Climate Change, Vol. 7, No. 11, 01.11.2017, p. 788-792.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Brazilian sugarcane ethanol as an expandable green alternative to crude oil use
AU - Jaiswal, Deepak
AU - De Souza, Amanda P.
AU - Larsen, Søren
AU - LeBauer, David Shaner
AU - Miguez, Fernando E.
AU - Sparovek, Gerd
AU - Bollero, German A
AU - Buckeridge, Marcos S.
AU - Long, Stephen P
PY - 2017/11/1
Y1 - 2017/11/1
N2 - Reduction of CO 2 emissions will require a transition from fossil fuels to alternative energy sources. Expansion of Brazilian sugarcane ethanol provides one near-term scalable solution to reduce CO 2 emissions from the global transport sector. In contrast to corn ethanol, the Brazilian sugarcane ethanol system may offset 86% of CO 2 emissions compared to oil use, and emissions resulting from land-use change to sugarcane are paid back in just 2-8 years. But, it has been uncertain how much further expansion is possible given increasing demand for food and animal feed, climate change impacts and protection of natural ecosystems. We show that Brazilian sugarcane ethanol can provide the equivalent of 3.63-12.77 Mb d -1 of crude oil by 2045 under projected climate change while protecting forests under conservation and accounting for future land demand for food and animal feed production. The corresponding range of CO 2 offsets is 0.55-2.0 Gigatons yr -1. This would displace 3.8-13.7% of crude oil consumption and 1.5-5.6% of net CO 2 emission globally relative to data for 2014.
AB - Reduction of CO 2 emissions will require a transition from fossil fuels to alternative energy sources. Expansion of Brazilian sugarcane ethanol provides one near-term scalable solution to reduce CO 2 emissions from the global transport sector. In contrast to corn ethanol, the Brazilian sugarcane ethanol system may offset 86% of CO 2 emissions compared to oil use, and emissions resulting from land-use change to sugarcane are paid back in just 2-8 years. But, it has been uncertain how much further expansion is possible given increasing demand for food and animal feed, climate change impacts and protection of natural ecosystems. We show that Brazilian sugarcane ethanol can provide the equivalent of 3.63-12.77 Mb d -1 of crude oil by 2045 under projected climate change while protecting forests under conservation and accounting for future land demand for food and animal feed production. The corresponding range of CO 2 offsets is 0.55-2.0 Gigatons yr -1. This would displace 3.8-13.7% of crude oil consumption and 1.5-5.6% of net CO 2 emission globally relative to data for 2014.
UR - http://www.scopus.com/inward/record.url?scp=85032696711&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85032696711&partnerID=8YFLogxK
U2 - 10.1038/nclimate3410
DO - 10.1038/nclimate3410
M3 - Article
AN - SCOPUS:85032696711
VL - 7
SP - 788
EP - 792
JO - Nature Climate Change
JF - Nature Climate Change
SN - 1758-678X
IS - 11
ER -