UPDATE 2-COP27: We’re on a highway to climate hell, U.N. boss says

* China, United States have leading role * Guterres seeks coal phase-out by 2040 * UAE, host of 2023 talks, says will keep producing fossil fuel (Adds quote from Al Gore, paragraph 8) By Valerie Volcovici and Simon Jessop SHARM EL-SHEIKH, EGYPT, Nov 7 (Reuters) – United Nations Secretary General Antonio Guterres told countries gathered at the start of the COP27 summit in Egypt on Monday they face a stark choice: work together now to cut emissions or condemn future generations to climate catastrophe. The speech set an urgent tone as governments sit down for two weeks of talks on…