Hopes for climate pact shift to diplomatic sphereAfter frustrating talks in Bonn with an American delegation in limbo, UN climate negotiators are pinning their hopes for the Paris Agreement's future on diplomatic arm-twisting at the highest level. On the campaign trail, now-president Donald Trump vowed to "cancel" the 196-nation pact to rein in global warming by curbing emissions from burning oil, coal and gas. Trump has moved to slash EPA funding, and to loosen restrictions on coal-fired power plants and vehicle emissions.