Xinhua: The second round of the United Nations negotiations on climate change this year concluded here on Thursday with progress that parties and observers said was positive. In the past two weeks, negotiators from nearly 200 countries worked on a draft text of a new global climate agreement that was set to be signed at the end of this year in Paris and come into force in 2020, trying to streamline the 90-page text with numerous options reflecting different views from parties to bring about a manageable...