    sentence. 1: When was the Special Report on,  Renewable Energy, Sources and , Climate  Change Mitigation ORREN) isued?    Sentence 2: In the year 20) two WCQgppecial  Report were finalized, the ae  Renewable Energy, Sources ¢  Change Mitigation (SRREN), and the Special  Report, on ‘Managing, Risks of Extreme    Events and Disaster, to ‘Advance, Climate  Change Adaptation (SREX),