Tiktok submitted its first court filings, offering a glimpse into how the popular social media company plans to argue against a looming ban on the app in the US. The Los Angeles school board, the country's second largest school district, voted to ban cellphones and social media during school hours. And, travelers purchasing carbon offset promises on their tickets may not be getting their money's worth.

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Today's episode of Up First was edited by Gabriel Spitzer, Ally Schweitzer, Neela Banerjee, Mohamad ElBardicy and Lisa Thomson.
It was produced by Ziad Buchh, Christopher Thomas and Taylor Haney.
Our technical director is Zac Coleman, with engineering support from Carleigh Strange.
Our Executive Producer is Erika Aguilar.

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