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GTAP Resource #3561

"Food, Fuel, Forests and the Pricing of Ecosystem Services"
by Reilly, John, Angelo Gurgel, Tim Cronin, Sergey Paltsev, David Kicklighter and Jerry Melillo

We investigate how demand for alternative ecosystem services, as agricultural and biofuels production, recreation and carbon storage, may be complementary or competitive. We also assess how pricing of all of new services may affect land use, food prices, and the prospects for biofuels production. We expand the Emissions Prediction and Policy Analysis (EPPA) model to explicitly represent the recreation value of ecosystems and the carbon storage value of alternative ecosystem services. We simulate several experiments, considering CO2 prices on fossil fuel use, land use emissions and credits for carbon uptake from land use changes. We find that growth in demand for biofuels increases with implementation of CO2 pricing policies and that leads to increased CO2 emissions from land use conversion if CO2 prices only cover energy emissions. If we extend CO2 pricing to land use emissions that provides sufficient economic incentive to avoid most of the deforestation that would otherwise occur. If we further extend CO2 pricing to provide credits for increasing the stock of carbon we find significant reforestation such that globally land use becomes a large net sink for CO2, with a substantial increase in CO2 storage in vegetation and soils at the expense of other land uses, especially pasture and grazing. If CO2 storage is credited, land would eventually store CO2 over the century equal to as much as a third the entire global energy emissions over this coming century assuming these emissions are controlled by climate policy. With at least two new large non-food demands for land (CO2 storage and biofuels) that compete with land for food the need to assure that low income households worldwide have food or the resources to afford it becomes critical. Finally, we consider alternative scenarios where different coalitions of countries impose carbon policies on land use emissions and uptakes to investigate whether leakage is an important phenomenon in land use emissions.

Resource Details (Export Citation) GTAP Keywords
Category: 2011 Conference Paper
Status: Published
By/In: Presented at the 14th Annual Conference on Global Economic Analysis, Venice, Italy
Date: 2011
Created: Gurgel, A. (4/14/2011)
Updated: Gurgel, A. (4/14/2011)
Visits: 2,847
- Climate change policy
- Renewable energy

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