Low deforestation countries to see least benefit from carbon trading
August 13, 2007
Compensation for global warming mitigation through carbon offsets could bypass those countries that are the most deserving
Carbon emissions from deforestation are one of the largest sources of greenhouse gases, accounting for around one fifth of total annual emissions from anthropogenic activities. Carbon emissions from tropical deforestation are expected to increase the atmospheric carbon dioxide concentration by 29 to 129 ppm within 100 years. Concentrations presently stand around 380 ppm.
To slow emissions from deforestation and other forms of land use change, scientists and policy makers have proposed an "avoided deforestation" initiative whereby tropical countries would be compensated by reducing their deforestation rates (RED). Compensation would come through carbon credits which companies in industrialized countries could use to offset their emissions. As currently proposed, compensation would be tied to historical deforestation rates, a link that sets up a troubling paradox: tropical countries will be presented with significant financial incentives to ramp up forest clearing until the framework takes effect in order capture the highest value from reducing deforestation from their historical baseline.
The value (in $US millions) of avoided deforestation credits to HFLD countries. Estimated by da Fonseca et al (2007) assuming a reference emission rate of one-half of the global average deforestation rate (-0.11%/year) for HFLD countries and a carbon price of US$10 per ton of CO2)
The new PLoS paper argues that "preventive credits" could help avoid this temptation, while at the same time rewarding countries that have effectively protected their forest cover.
"Since current proposals would award carbon credits to countries based on their reductions of emissions from a recent historical reference rate, HFLD countries could be left with little potential for RED credits. Nor would they have the potential for reforestation credits under the Kyoto Protocol's Clean Development Mechanism," wrote the authors. "Without the opportunity to sell carbon credits, HFLD countries would be deprived of a major incentive to maintain low deforestation rates. Since drivers of deforestation are mobile, deforestation reduced elsewhere could shift to HFLD countries, constituting a significant setback to stabilizing global concentrations of greenhouse gases at the lowest possible levels."
"The minute that you exclude those countries, their forests lose economic value in the global carbon market, leaving governments with little reason to protect them," said study lead author Gustavo Fonseca, a scientist at Conservation International (CI) and Brazil's Universidade Federal de Minas Gerais.
HFLD countries -- consisting of Panama, Colombia, Democratic Republic of Congo, Peru, Belize, Gabon, Guyana, Suriname, Bhutan and Zambia, along with French Guiana -- contain 20 percent of Earth's remaining tropical forest and 18 percent of tropical forest carbon.
"Given the very large — and likely still underestimated — role of tropical deforestation in causing climate change, these forest-rich countries should be at the forefront of worldwide efforts to sequester carbon, rather than being left out entirely," said co-author and CI President Russell A. Mittermeier.
The study estimates that at $10 per ton of CO2, preventative credits could be worth US$365 million to $1.8 billion annually to HFLD countries, depending on how compensation is calculated.
While the authors are hopeful for preventative credits, they caution that policymakers would need to proceed carefully.
"Introducing an additional source of carbon credits could lower the price of carbon, weakening the incentive to reduce deforestation in countries where rates are high," they wrote. "However, preventive credits should be evaluated in light of their net effect in reducing global CO2 emissions. The volume of preventive credits necessary to create an advance incentive against deforestation in HFLD countries would be 10—49 million tons of carbon annually, depending on which reference rate is selected. This is equivalent to just 1.3%—6.5% of developing countries' emissions from deforestation. The greater the global demand for carbon credits, the less impact this increase in supply would have on carbon price. In return, preventive credits would extend substantial protection to nearly one-fifth of tropical forest carbon."
CITATION: Gustavo A. B. da Fonseca, Carlos Manuel Rodriguez, Guy Midgley, Jonah Busch, Lee Hannah, Russell A. Mittermeier (2007). No Forest Left Behind. PLoS Biol 5(8): e216 doi:10.1371/journal.pbio.0050216
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