China has given massive subsidies for EV and PV production. That is strong evidence of "caring". You can argue that they're just doing it to capture markets,

China has given massive subsidies for EV and PV production. That is strong evidence of "caring". You can argue that they're just doing it to capture markets, but given that the Chinese vehicle market is about 3X as large as the American vehicle market, that argument is hard to make. China also cares very strongly about local pollution levels. The air in Beijing over the last 15 years has gotten dramatically better.