'No shortage of differences but...': Why China, U.S announced climate deal

China and the United States early on Thursday unveiled a surprise deal and issued a joint statement on climate cooperation, pledging they would work together to slow global warming during this decade and ensure that the Glasgow talks result in progress. The framework agreement was announced by US climate envoy John Kerry and his Chinese counterpart Xie Zhenhua at the Glasgow UN climate conference (COP26). Watch this report for more.