Los Angeles remains the smoggiest city in the U.S., while air pollution affects nearly half of the population, exacerbated by climate change and policy changes.
Read moreA New Mexico teenager was detained for 10 days by Border Patrol; family claims he has intellectual disabilities, raising questions about his treatment.
Read moreZelenskyy claims Chinese citizens are aiding Russia in drone production, prompting Ukraine to summon the Chinese ambassador amid increasing tensions.
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