David Rank speaks during the celebration for Bao Bao the panda on March 24, 2017 in Chengdu, China.

Vcg / Getty Images

The acting US ambassador to China has resigned his post, reportedly over President Trump's decision to withdraw the US from the landmark Paris climate agreement.

David Rank, the deputy chief of mission at the US embassy in Beijing, had been serving as acting ambassador to China while waiting for former Iowa Gov. Terry Branstad, Trump's pick, to assume the ambassadorship.

A State Department official confirmed to BuzzFeed News on Monday that Rank had stepped down. The official described Rank's departure as a "personal decision," saying "we appreciate his years of dedicated service to the State Department."

However, multiple unnamed sources told CNN and Reuters that Rank resigned because he disagreed with Trump's decision to pull the US out of the Paris climate agreement.

An unnamed official also confirmed to Reuters an account of the resignation, first shared on Twitter by China expert John Pomfret, in which Rank called a meeting and told embassy staffers he couldn't deliver a note to the Chinese government about the decision to withdraw.

Trump announced last week that the US would leave the international climate agreement, which has been signed by almost every country in the world and was forged at a two week summit in December 2015. The deal aims to curb emissions and rising temperatures world wide.

In the wake of Trump's announcement hundreds of regional US leaders have vowed to uphold the deal even without White House support.

Rank joined the State Department in 1990 and served in a variety of roles including in Afghanistan, Greece, and Mauritius.

BuzzFeed News reporter John Hudson contribute to this report.

LINK: More Than 200 Cities And A Dozen States Are Vowing To Honor The Paris Climate Deal After Trump’s Withdrawal

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