China could become the leader of the global fight to slow down climate change if the United States backs down under President Donald Trump, South Africa’s Minister of Environment, Dion George, told Bloomberg Television in an interview on Friday. “That’s the big debate that is going on,” George said, referring to China’s reluctance so far to finance climate change mitigation measures in poorer countries. China has said that as a developing country itself it shouldn’t be held accountable for climate finance. However,…