Battle of the Billionaires: Elon Musk and Bill Gates feud

Billionaire Tesla CEO Elon Musk and billionaire Bill Gates had a war of words on Twitter.

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Musk accused Gates of not being serious about fighting climate change because he made a half-billion-dollar bet against Tesla.

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Gates replied in an interview that he had put more money toward climate change than Musk or anyone else.

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The exchange comes after Musk confirmed he rejected an opportunity to work with Gates on philanthropy in late April.

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Elon Musk is the richest man on earth with a $201 billion net worth.

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Bill Gates has a net worth of $118 billion.

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