"First, China must move away from coal and boost recycling and renewable energies. Second, emissions-mitigation indicators, such as energy-efficiency targets, should be set relative to physical output (such as tonnes of steel production) rather than to economic growth. Third, regional energy supply and demand must be balanced. Fourth, energy prices should be linked to market mechanisms rather than set centrally by authorities. And fifth, China must reduce air pollutants alongside CO2 emissions."