NBC WHITE HOUSE CORRESPONDENT KRISTEN WELKER LEADING US OFF. >>Reporter: WITH THE EYES OF THE WORLD ON THE ROSE GARDEN, PRESIDENT TRUMP MADE IT OFFICIAL. >>THE UNITED STATES WILL WITHDRAW FROM THE PARIS CLIMATE ACCORD. >>Reporter: THE AGREEMENT IS A PLEDGE BY NEARLY 200 COUNTRIES TO REDUCE GREENHOUSE GAS EMISSIONS.… Continue Reading US Ditching Paris Climate Agreement, President Donald Trump Declares | NBC Nightly News