U.S. security adviser Sullivan says pressure will grow on China on climate

The U.S. national security adviser, Jake Sullivan, said on Friday he believed pressure would grow on China offer "something fundamentally more ambitious" in the fight against climate change than it has put on the table so far.

Sullivan made the remark at an event hosted by the Council on Foreign Relations think tank.

(Reporting Susan Heavey, Steve Holland and David Brunnstrom)