By STANLEY REED and SARA HAMDAN: A version of this article appears in print on December 5, 2015, on page B1 of the New York edition
VIENNA — Even as United Nations climate-conference delegates met near Paris on Friday seeking ways to reduce the globe’s dependence on high-carbon fuels like oil, some of the world’s biggest petroleum producers vowed to keep pumping flat out.
The Organization of the Petroleum Exporting Countries said on Friday that it would keep producing oil at current levels, which are estimated to exceed 31 million barrels a day.