 Telegraph.co.uk | opec's Dollar Concerns Overshadow Environmental Push (Update1) Bloomberg - By Ayesha Daya and Maher Chmaytelli Nov. 18 (Bloomberg) -- The falling US dollar's effect on oil revenues overshadowed Saudi Arabia's promises to fight global warming at this weekend's OPEC summit in Riyadh. OPEC SUMMIT Indonesia proposes OPEC oil fund for forests UPDATE 1-Ecuador's Correa favours non-dollar oil pricing |