"We believe the risks of allowing the President to continue to use our service during this period are simply too great," Zuckerberg wrote in a post on his Facebook page.
After a year of extreme wildfires harming his constituents and the California economy, Newsom has said that he views pollution and climate change as an emergency.
The tweets come just hours after Trump led a rally before Congress was set to begin the process of confirming Democratic President-elect Joe Biden's victory.
Improbable posted a pre-tax loss of £64.8 million ($88.5 million) for the seven months leading up to Dec. 31, 2019, according to a filing on Companies House.
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