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IEA Bioenergy Annual Report 2014

The IEA Bioenergy Annual Report 2014 includes a special feature article ‘Quantifying the Climate Effects of Forest-Based Bioenergy: Dealing with spatial and temporal boundaries’ prepared by Task 38.

The Annual Report also includes a report from the Executive Committee and a detailed progress report on each of the Tasks. Also included is key information such as Task participation, Contracting Parties, budget tables and substantial contact information plus lists of reports and papers produced by the Implementing Agreement.

Summary

Bioenergy is a key strategy for climate- mitigation, which is recognised in several domestic and international policies. However, over recent years, claims have been made that some forest-based bioenergy systems are associated with losses in biospheric carbon (sometimes referred to as forest “carbon debt”) and, thus, their effectiveness at mitigating climate has been questioned. Climate impacts of forest bioenergy are sensitive to a range of case-specific factors, but also methodological choices and assumptions: biomass feedstocks, reference energy system displaced, definition of spatial system boundary, allocation procedures, time horizon, metrics applied and climate forcers considered. In this feature, these key issues are briefly discussed and recommendations are provided for carrying out appropriate and comprehensive assessments of climate impacts of forest bioenergy systems.

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