The government of Colombia and the National Liberation Army (ELN) closed the fourth cycle of peace talks, in Caracas, Venezuela// Russian president Vladimir Putin said his country is willing to return to the black sea agreement, in a meeting with Turkish president Recep Tayyip Erdogan in Russia’s coastal city of Sochi//Africa’s first climate summit opened in Nairobi, Kenya, with a plea for delegates to identify opportunities that may arise from solving environmental problems. teleSUR