The White Home has signaled that Mr. Biden will announce extra formidable plans for decreasing emissions domestically, after 4 years wherein his predecessor, Donald J. Trump, disparaged the difficulty.

“We’ve seen commitments earlier than the place all people falls brief,” Mr. Kerry mentioned. “I imply, frankly, we’re all falling brief. Your entire world proper now’s falling brief. This isn’t a finger-pointing train of 1 nation alone.”

Mr. Kerry met in Shanghai with his Chinese counterpart, Xie Zhenhua, over three days, in talks that at one level went late into the night time. Mr. Kerry mentioned they stayed targeted on local weather change and didn’t contact on more and more rancorous disputes over points like China’s political crackdown in Hong Kong and its threats toward Taiwan.

On Friday, whilst the 2 envoys met, the State Division sharply criticized prison sentences handed down in Hong Kong to outstanding pro-democracy leaders, together with Jimmy Lai, a 72-year-old newspaper tycoon. On the identical day, China warned the US and Japan in opposition to “collusion” as Mr. Biden met at the White House with Prime Minister Yoshihide Suga, with China’s rising ambitions one of many main points on the desk.

Chinese language officers and the state information media famous Mr. Kerry’s go to however markedly performed it down, focusing as a substitute on Mr. Xi’s conferences. However within the joint assertion with the US, the Chinese language authorities pledged to do extra on local weather, although with out detailing any particular steps.

The assertion mentioned that each international locations would develop “long-term methods” to achieve carbon neutrality — the purpose when a rustic emits no extra carbon than it removes from the ambiance — earlier than the subsequent worldwide local weather convention in November, in Glasgow.

In a joint statement after the White Home conferences between Mr. Biden and Mr. Suga, the US and Japan mentioned they meant to achieve carbon neutrality by 2050 by selling renewable power sources, power effectivity and storage, and thru improvements in capturing and recycling carbon from the ambiance.