April 15, 2021 7:00 AM By Zachary Sherwood and Brandon Lee John Kerry has been flying around the world trying to get some of the biggest polluters to step up their fight against climate change in time for a White House summit on April 22. If new goals are the measure of success, the meeting is shaping up to be a disappointment. President Joe Bidenâs climate envoy this week touched down in Shanghai, Chinaâthe most high profile stop on a tour thatâs so far included India, the U.K., Bangladesh and the United Arab Emirates. Later heâll travel to Seoul, South Korea.