A worker installs gas pineline at a village in Anping township of Xianghe county, Hebei province, Nov 2, 2017. China has been fighting pollution by adopting stricter environmental rules including coal-to-gas conversion plans to reduce emissions. Jin Liqun, AIIB president, said the bank's first investment in China fits its mission of supporting members' green, sustainable development. Jin added that it will help China introduce sustainable infrastructure that will reduce greenhouse gas emissions and help stimulate one of the most important economic hubs in Asia. "Green financing in China will clearly be an important target for the AIIB," Zeng said.