Leader after leader told the United Nations on Monday that they will do more to prevent a warming world from reaching even more dangerous levels. Sixty-six countries have promised to have more ambitious climate goals and 30 swore to be carbon neutral by midcentury, said Chilean President Sebastian Pinera Echenique, who is hosting the next climate negotiations later this year. U.S. President Donald Trump dropped by, listened to German Chancellor Angela Merkel make detailed pledges, including going coal-free, and left without saying anything.
