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GHG Mitigation Potential, Costs and Benefits in Global Forests: A Dynamic Partial Equilibrium Approach

Jayant Sathaye, Willy Makundi, Larry Dale, Peter Chan, and Kenneth Andrasko

Year: 2006
Volume: Multi-Greenhouse Gas Mitigation and Climate Policy
Number: Special Issue #3
DOI: 10.5547/ISSN0195-6574-EJ-VolSI2006-NoSI3-7
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Abstract:
This paper reports on the global potential for carbon sequestration in forest plantations, and the reduction of carbon emissions from deforestation, in response to six carbon price scenarios from 2000 to 2100. These carbon price scenarios cover a range typically seen in global integrated assessment models. The world forest sector was disaggregated into ten regions, four largely temperate, developed regions: the European Union, Oceania, Russia, and the United States; and six developing, mostly tropical, regions: Africa, Central America, China, India, Rest of Asia, and South America. Three mitigation options�long-and short-rotation forestry, and the reduction of deforestation�were analyzed using a global dynamic partial equilibrium model (GCOMAP). Key findings of this work are that cumulative carbon gain ranges from 50.9 to 113.2 Gt C by 2100, higher carbon prices early lead to earlier carbon gain and vice versa, and avoided deforestation accounts for 51 to 78% of modeled carbon gains by 2100. The estimated present value of cumulative welfare change in the sector ranges from a decline of $158 billion to a gain of $81 billion by 2100. The decline is associated with a decrease in deforestation.



India’s Non-CO2 GHG Emissions: Development Pathways and Mitigation Flexibility

P. R. Shukla, Amit Garg, Manmohan Kapshe, Rajesh Nair 

Year: 2006
Volume: Multi-Greenhouse Gas Mitigation and Climate Policy
Number: Special Issue #3
DOI: 10.5547/ISSN0195-6574-EJ-VolSI2006-NoSI3-24
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Abstract:
This paper analyses the future trends (2000-2030) in Methane and Nitrous Oxide emissions across four scenarios that have been developed for India. The future state of Indian economy in the next 30-years has been broadly visualized under four scenarios proposed as combinations of market integration (extent of liberalization, globalization and integration with the world markets) and nature of governance (centralization vs. decentralization). The methodology chosen for the development of these scenarios draws mainly from the IPCC SRES methodology. The paper presents CH4 and N2O emissions for each of the scenarios for all the major emitting sectors. The major sources of Methane emissions are livestock and paddy contributing to about 65% of the total emissions in 2000. The share of emissions from Municipal Solid Waste is also expected to rise with increasing urbanization. Nitrous Oxide emissions arise chiefly from synthetic fertilizer use (contributing 67% of total emissions) and from field burning of agricultural residue. The paper also presents mitigation analysis for CO2 and CH4 and long-term, hundred-year analysis for CO2, CH4 and N2O.





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