they have made a commitment to go 100% renewable energy across supply chain by 2030. and a lot of the chinese tech giants like alibaba, tencent and baidu are also playing catch—up. so they have made similar commitments. however, this is not enough. as i mentioned, a lot of companies are cleaning up their own data centres, electricity and emissions, but they haven't do much in terms of cleaning up their supply chain, for example. so the data centre may be run by clean energy, but the equipment, the service, the chips inside of computers etc could still be manufactured with dirty energy. ruiqi, i want to ask you this.