The Globe and Mail Bookmark Please log in to listen to this story. Also available in French and Mandarin. Log In Create Free Account Getting audio file ... This translation has been automatically generated and has not been verified for accuracy. Full Disclaimer Ng Han Guan/The Associated Press There was so much cause for optimism when Chinese President Xi Jinping made a surprise pledge last fall to achieve carbon neutrality by 2060. With the world’s largest-emitting country firmly on board, it seemed a climate change corner had been turned. The message last week, when Mr. Xi’s government presented its new five-year economic plan, was more disheartening: Not so fast.