Elon Musk, the world’s richest man, challenged a United Nations official’s claim that just a small percentage of his wealth could help solve world hunger.

Musk was responding to comments by David Beasley, director of the UN’s World Food Programme, who repeated a call last week following an earlier tweet this month asking billionaires like Musk to “step up now, on a one-time basis.”

If WFP can describe on this Twitter thread exactly how $6B will solve world hunger, I will sell Tesla stock right now and do it.

— Elon Musk (@elonmusk) October 31, 2021

Beasley specifically called for action from Musk and Amazon.com Inc. co-founder Jeff Bezos, the two men atop the Bloomberg Billionaires Index. Just $6 billion could keep 42 million people from dying, Beasley said.

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If the World Food Programme, using transparent and open accounting, “can describe on this Twitter thread exactly how $6B will solve world hunger, I will sell Tesla stock right now and do it,” Musk wrote in a Twitter post.

If WFP can describe on this Twitter thread exactly how $6B will solve world hunger, I will sell Tesla stock right now and do it.

Please publish your current & proposed spending in detail so people can see exactly where money goes.

Sunlight is a wonderful thing.

— Elon Musk (@elonmusk) October 31, 2021

— Elon Musk (@elonmusk) October 31, 2021 Musk is CEO of the electric-vehicle company, which last week joined the handful of companies valued at more than $1 trillion.

The $6 billion amount would be just a small fraction of Musk’s current net worth of $311 billion — and less than the $9.3 billion his wealth increased on Oct. 29 alone, according to the billionaires index.

But it must be open source accounting, so the public sees precisely how the money is spent. – Al Jazeera