AllNews'Pftba' - 1 News Result(s)New greenhouse gas has higher global warming impact than Carbon dioxideWorld News | Press Trust of India | Tuesday December 10, 2013 Scientists have discovered a long-lived man-made greenhouse gas that appears to have the highest global-warming impact of any compound to date. www.ndtv.com'Pftba' - 1 News Result(s)New greenhouse gas has higher global warming impact than Carbon dioxideWorld News | Press Trust of India | Tuesday December 10, 2013 Scientists have discovered a long-lived man-made greenhouse gas that appears to have the highest global-warming impact of any compound to date. www.ndtv.comYour search did not match any documentsA few suggestionsMake sure all words are spelled correctlyTry different keywordsTry more general keywordsCheck the NDTV Archives:https://archives.ndtv.com