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China has a four-tier color alert system for pollution, with red the highest, followed by orange, yellow and blue. It also has a corresponding four-level emergency response system, with Level I calling for a top emergency response and Level IV representing the lowest.

China has made impressive achievements in cutting small-scale coal burning to protect the environment during the 13th Five-Year Plan (2016-20) thanks to effective and precise policy measures and generous financial support, according to a recent report issued by the Natural Resources Defense Council, a nonprofit environmental organization.

China has been actively developing hydrogen energy in recent years and has included the development of hydrogen stations for new energy vehicles for the first time last year in its government work report.

China had spent over 0 million on cataract surgery by 2014, according to World Health Organization.

China has conducted numerous efforts in recent years to promote green and efficient cooling products, with government encouraging retailers and e-commerce platforms to transition to green and efficient cooling products, initiating rebate programs including Energy Saving Subsidy and Green for Old to encourage consumers to purchase more environmentally friendly cooling products.