Ma Jun: China has started to 'walk the walk' on climate crisis

US dropped the environmental ball under Trump, but Biden victory means the two countries can work together for a green recovery, says campaignerMa Jun experienced a strange role reversal during Donald Trump’s presidency. Over more than two decades as one of China’s top environmental campaigners, American encouragement for Beijing to cut carbon emissions and temper the damage of rapid industrialisation had been part of the background music. Ma never imagined he would see the US renege