Former House Speaker Newt Gingrich blasted United States climate envoy John Kerry’s call for both China and the United States to put aside diplomatic tensions and work together on climate policy.

In what is the third trip that U.S. officials have made to Beijing in the past five weeks, Kerry spoke with Chinese Vice President Han Zheng on Wednesday, encouraging the notion that both countries can “make a difference with respect to climate.”

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While appearing on The Ingraham Angle, Gingrich slammed Kerry, along with Vice President Kamala Harris and the rest of the Biden administration, saying they “may have the lowest practical IQ of any administration in American history.” He called Kerry’s trip to Beijing “a fool’s errand carried out by a fool.”

“He has no clue about the real world, and to think that the Chinese communist dictatorship is going to be impressed by John Kerry’s, you know, his whole belief in a green world that is going to magically occur is nuts,” Gingrich said. “The Chinese are building more coal plants, the Chinese are building more polluting industries, the Chinese are committed to economic growth, and they’re not going to give up any of that.”

Gingrich also said the Biden administration is “afraid of the Chinese,” consistently kowtowing to them.

Gingrich noted that Treasury Secretary Janet Yellen “literally kowtowed to the Chinese prime minister as an act of indicating who the superior person was” during her trip to Beijing earlier this month.

“I’m not sure she knew that because I’m not sure she’s more in touch with reality than John Kerry is,” Gingrich quipped.

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“The Chinese communist dictatorship is pretty straightforward. It is interested in China” the former speaker added. “It’s not going to deviate from that one inch just because John Kerry shows up.”

In addition to Kerry and Yellen, Secretary of State Antony Blinken also recently traveled to Beijing.