U.S. climate envoy John Kerry appears Wednesday to have urged China to step up measures to prevent global warming, as tensions between the world's two major powers have been intensifying over several economic and security matters.In China's Tianjin, Kerry and his Chinese counterparts also seem to have exchanged views on environmental issues, ahead of the U.N. Climate Change Conference of the Parties, or COP26, scheduled to take place later this year in Britain.Chinese Foreign Ministry spokesman Wang Wenbin told reporters that Beijing and Washington should maintain dialogue on climate change…READ FULL ARTICLE