Guardian: President Obamas special envoy for climate change has warned Republican presidential hopefuls including Donald Trump and Ted Cruz that any attempt to scrap the Paris climate agreement would lead to a diplomatic black eye for the US.
Speaking to journalists in Brussels, Todd Stern also said that a recent supreme court decision to block Barack Obamas clean power plan would not affect US climate pledges, or plans to formally sign up to the Paris agreement later this year.
Republican candidates...