Japan's prime minister promised a 25 percent cut in greenhouse gas emissions from 1990 levels by 2020, laying down a marker for other industrialized nations.

日本首相承诺，到2020年，日本的温室气体排放量的下降幅度将达到1990年水平的25%。这为其他工业国作出了表率。

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The main objective was always to raise standards, he said, and the new inspections were "laying down a marker".

BBC: David Bell says inspections will be shorter but not easier