MacKenzie Scott, the ex-wife of Amazon founder Jeff Bezos, is giving $640m (£504m) to non-profit organisations, more than double her previously planned donations for the year.
The billionaire announced this week she would give the money to 361 small groups, out of the more than 6,000 organisations that applied for funding.
She had initially planned to make 250 awards of $1m each this year.
Ms Scott has given away $16.5b since divorcing Mr Bezos in 2019.
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