Japan is falling behind other leading countries in renewable energy use, while its promotion of coal-fired plants risks hindering the competitiveness of domestic firms in a global market more concerned than ever about carbon emissions.

A new diplomatic energy strategy is needed that deploys more renewable energy at home and abroad, moves toward the retirement of domestic coal-fired plants, and minimizes Japan's dependence on nuclear power.

Those were the main conclusions and recommendations of a report released Monday by an expert panel to Foreign Minister Taro Kono.