Air pollution: black, Hispanic and poor students most at risk from toxins, study shows

Headlines Air pollution / Black, Hispanic and poor students most at risk from toxins, study shows 'Children are facing risks that will affect their ability to learn,' says expert following study covering 90,000 schools across the US US Congress / Republicans rush for the exits to imperil Trump's midterm hopes FBI / Bureau has 'grave concerns' about Trump plan to release controversial memo Abortion / Trump officials considered contentious method to 'reverse' procedure Bob Menendez / Federal prosecutors dismiss corruption charges against New Jersey senator Poland / Vote for Holocaust speech law risks rift with Israel and US Spotlight 'Class-passing' / They grew up poor. They had to learn the rules of being rich America is built on rags-to-riches tales. But how does 'class-passing' actually work – and how to navigate your new life and your old? King in New York / Documenting Martin Luther King's connection with the city Jacinda Ardern interview / I'm not going to leave any room for doubt that I can do this The punk rock internet / How DIY ​​rebels ​are working to ​replace the tech giants Big data / Don't hand corporate America control of the new lifeblood of capitalism Opinion Janet Yellen deserves more praise for the economy than Donald Trump Jill Abramson We can battle climate change without Washington DC. Here's how Bill McKibben Black Panther is the reason I'll be rocking African dress at the cinema Eliza Anyangwe Advertisement Sports Transfer window verdict / How every Premier League club fared in January NBA / LeBron to Warriors report highlights discontent within Cavaliers Boxing / Roy Jones Jr is retiring 14 years too late – but in his own sweet time Guardian News & Media Limited - a member of Guardian Media Group PLC. Registered Office: Kings Place, 90 York Way, London, N1 9GU. Registered in England No. 908396