Beijing — The world's two biggest emitters of greenhouse gases are sparring on Twitter overpolicy, with China questioning whether the U.S. can deliver on the landmark climate legislation Tuesday.
"You can bet America will meet our commitments," U.S. Ambassador to China Nicholas Burns tweeted in response on Wednesday, using a national flag emoticon for "America." He called on China to resume suspended climate talks, writing: "We're ready."
The punchy exchange, part of a longer back and forth on Twitter, is emblematic of a broader worry: U.S.-China cooperation is widely considered vital to the success of global efforts to curb rising temperatures. With theand other issues, some question whether the two sides can cooperate.
After Congress passed the climate bill last Friday, Burns took to Twitter over the weekend to say the U.S. was acting on climate change with its largest investment ever - and that China should follow.
On Tuesday night, China's Foreign Ministry responded with its own tweet: "Good to hear. But what matters is: Can the U.S. deliver?"
The verbal skirmish grew out of China's suspension of talks with the U.S. on climate and several other issues earlier this month as part of its protest over a.
Climate has been one of the few areas of cooperation between the feuding countries. U.S. officials criticized China's move, with Secretary of State Antony Blinken saying it "doesn't punish the United States - it punishes the world."
Asked to respond, Chinese Foreign Ministry spokesperson Zhao Lijian called on the U.S. last week to "deliver on its historical responsibilities and due obligations on climate change and stop looking around for excuses for its inaction."
The ministry later tweeted some of his answer, and Burns responded four days later with his tweet on the U.S. climate bill. Using the acronym for the People's Republic of China, he ended with: "The PRC should follow+reconsider its suspension of climate cooperation with the U.S."
China elaborated on its "Can the U.S. deliver?" message with a second tweet that suggested U.S. actions, including lifting sanctions imposed last year on solar industry exports from China's Xinjiang region because of allegations of forced labor.
The Twitter battle highlights a perception divide between the longstanding superpower that wants to lead and the rising power that no longer wants to feel bound to follow anyone else's direction.
The decision by former President Donald Trump to pull the U.S. out of the Paris climate accord - reversed by Mr. Biden after he took office last year - dealt a blow to American credibility on the issue.
A Chinese expert praised parts of the U.S. legislation but said it's overdue and doesn't go far enough.
"Although there are some breakthrough achievements in the bill, I am afraid it can't re-establish U.S. leadership on climate change," said Teng Fei, a professor at Tsinghua University's Institute of Energy Environment and Economy.
U.S. climate envoy John Kerry has been pressing China to set more ambitious climate goals. China has responded that its goals are realistic, given its development needs as a middle-income country, while the U.S. sets ambitious goals that it fails to achieve.
China's ruling Communist Party generally sets conservative targets at a national level, because it doesn't want its performance to fall short. Those targets are sometimes exceeded, though, in the eager pursuit of those goals by local officials.
"China should be able to do better than its national targets indicate," said Cory Combs, a senior analyst with the Trivium China consultancy. "But of course, those local plans are all subject to failure and delays, so it's impossible to tell quite what they'll add up to."
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