Climate Change Is 'Ultimate Threat to Humanity,' Biden Says Before Boarding Private Jet To Meet World's Largest Carbon Emitter
Biden's flight to San Francisco to meet Chinese president Xi emitted more carbon than the average American produces in four years
Climate czar says he made no demands of Chinese but 'did succeed in having long and very detailed meetings'
Biden climate czar opened negotiations by praising China for its 'incredible job' on green energy
In congressional testimony, Biden's climate envoy doesn't want to get tied up in 'labels and names'
The dictator’s actions tell us all we need to know about his concern for the environment.