U.S. Secretary of State John Kerrydelivers his keynote addres to promote U.S. climate and environmental goals, at the Meeting of the Parties to the Montreal Protocol on the elimination of hydro fluorocarbons (HFCs) use, held in Rwanda's capital Kigali, October 14, 2016. PHOTO BY REUTERS/James Akena
By Clement Uwiringiyimana
15/10/2016