First Thing: Populism imperils fight against climate breakdown, says John Kerry

US climate chief hits out at disinformation' and demagoguery' by special interests to delay climate action. Plus, the lost 80s song baffling the internet

Good morning.

The populist backlash against net zero around the world is imperilling the fight against climate breakdown and must be countered urgently to avoid facing planetary destruction beyond comprehension", the US climate chief, John Kerry, has warned.

Did he name any politicians? No. Though Kerry refused to name any specific interests or people, his words reflect the widespread concern that the climate is likely to be weaponised in the US election campaign this year, and in other countries as billions of people around the world head to the polls.

How did Trump do? Donald Trump has won Michigan's Republican primary election, the latest in a string of primary victories as he closes in on the GOP presidential nomination. The Associated Press called the race for Trump over the former South Carolina governor Nikki Haley at 9pm ET.