Abstract
The sink related articles (3.3 and 3.4) of the Kyoto Protocol allow countries to use carbon sink activities to achieve the emission reduction targets during the first commitment period (2008-2012). The definition and accounting option on the eligible sink activities will be determined based on the political decisions taken at COP 6 and after regarding "Afforestation, Reforestation, Deforestation", "carbon stock change" and "additional human induced activities" in the Kyoto Protocol. In this report, we first summarize the latest scientific and political discussion on the issues based on the latest studies on activity estimates of the activity potential in the IPCC special report : Land-Use, Land-Use Change and Forestry. Then, we discuss about the possible roles of the remote sensing approaches for monitoring and verifying the sink activities during the 1st commitment period.