[IPS] Cairo -- The recent U.S.-China summit on November 15 in San Francisco, against a backdrop of low expectations, surprisingly made significant strides with the unveiling of the "Sunnylands Statement on Enhancing Cooperation to Address the Climate Crisis." This agreement, the result of two years of negotiations between climate envoys John Kerry and Xie Zhenhua, represents a considerable advancement following the 2021 joint declaration at the Glasgow Climate Summit.