Work by Jaber's team on his and the climate summit's Wikipedia entries include adding a quote from an editorial that said Jaber - the United Arab Emirates minister for industry and advanced technology was "precisely the kind of ally the climate movement needs".
They also suggested that editors remove reference to a multibillion-dollar oil pipeline deal he signed in 2019, the Centre for Climate Reporting and the Guardian can reveal.
"Oil companies and their CEOS are taking greenwash to a whole new level - seizing control of global climate conferences, then getting their own employees to airbrush out criticism of their blatant hypocrisy on Wikipedia," said Caroline Lucas, the Green party MP.
The UAE government, which controls about 6% of the world's oil reserves, has been criticised for appointing a fossil fuel boss as head of Cop28, which will be held in Dubai in November. Last week, 130 US and EU lawmakers called for Jaber to be removed from his post as the summit's president.
Meanwhile, Jaber has been working with large consultancies and PR agencies to promote his work as an advocate for Emirati investment in green energy. His appointment as Cop28 president was welcomed by the likes of John Kerry, the US special presidential envoy for climate, and other key figures in international climate diplomacy.
Pointing to Jaber's work on climate issues over the past decade, a spokesperson for Cop28 said: "We will continue to ensure that all publicly available sources of information about the presidency and its leadership remain factually accurate and up to date."
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