Abstract
The Tohoku earthquake occurred on March 11th, 2011, and the large tsunami brought with it great suffering in the coast of Tohoku district. In this region, the recovery activity is still executing. Then, rubbish of the wood- base is stacked up in everywhere. In the meantime, we have examined an effective utilization of the woody biomass until now. In this report, the challenge in a disaster area using Stirling cooler and Stirling engine is introduced.