Tesla CEO Elon Musk. Photo: Mario Tama/Getty Images.

After promising a contribution in July, Tesla and SpaceX CEO Elon Musk is donating $480,350 to purchase and install ultraviolet filtration systems in all 12 Flint, Michigan schools as well as the district's administration building by January 2019, according to Michigan Live.

The details: "The new water filtration systems will be instrumental in helping our students return to the normalcy of what should be a fundamental right: having access to safe, clean water from water fountains in their school," Flint Community Schools Superintendent Derrick Lopez told Michigan Live. The donation follows weeks of controversy surrounding Musk with the Securities and Exchange Commission, which cut him a deal to pay $20 million in fines and temporarily step down as Tesla chairman.

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China bans Cruz and Rubio over Xinjiang criticism

Photos: Graeme Jennings/Pool/Getty Images; Al Drago/Pool/Getty Images

China said Monday that it will ban entry to Sens. Marco Rubio (R-Fla.) and Ted Cruz (R-Texas) over their criticisms of human rights abuses in Xinjiang, the AP reports.

The big picture: The move seems to be retaliatory after the U.S. announced sanctions on four Chinese officials for human rights abuses against Uighur Muslims and other ethnic minorities in the region last week.

Roger Stone says he plans to campaign for Trump

Roger Stone appears yesterday outside his home in Fort Lauderdale. Photo: Johnny Louis/Getty Images

Roger Stone told Axios in a phone interview that he plans to write and speak for President Trump's re-election now that Stone "won't die in a squalid hellhole of corona-19 virus."

"I'm asthmatic," said Stone, 67. "Sending me to a prison where I could not be socially distanced ... would, I think, be a death sentence."

Facebook's plan: Make nice, but don't give in

Illustration: Aïda Amer/Axios

Facebook last week took steadily intensifying heat from fleeing advertisers and boycott leaders and received a big thumbs-down from its own civil-rights auditors. Its response, essentially: We hear you, but we'll carry on.

The big picture: Early on in Facebook's rise, CEO Mark Zuckerberg learned to handle external challenges by offering limited concessions and soothing words, then charging forward without making fundamental changes.