LONDON/BRUSSELS ¨C Can you put a price on pollution? Some of the world¡¯s biggest economies are doing just that as they wrestle with how to make good on grand pledges to tame planet-warming emissions.
Matters are coming to a head.
China, Japan and South Korea have all followed the European Union in pledging to cut emissions to ¡°net zero¡± in recent weeks, where they release only as much as they remove from the air. U.S. President-elect Joe Biden made the same promise in his election campaign.

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