Who knows which side he will be on here. During the campaign, global warming was a "Chinese hoax!"
In 2009. he and others (including Don jr, Ivanka, and Eric) wrote on open letter to Obama and published it in the NYT: “We support your effort to ensure meaningful and effective measures to control climate change, an immediate challenge facing the United States and the world today,” the letter says. “Please allow us, the United States of America, to serve in modeling the change necessary to protect humanity and our planet.”
http://time.com/4362393/donald-trump-supported-addressing-climate-change-before-calling-it-a-hoax/Then there was the seawall he wanted to build to prevent erosion at the golf course in Ireland: The permit application included an environmental-impact statement that explicitly said the wall would need to be built to combat “global warming and its effects.”
http://time.com/4345367/donald-trump-climate-change-golf-course/I guess the lesson here is that we should keep an open mind regarding Chinese hoaxes.