` ` Science is telling us we need to do more , '' ` The developed countries have great capacity and should lead by example , '' Ban said . Ban Ki - moon attends climate conference . Warsaw is split between developed and developing nations . Developing nations want more support for adaptation to a changing world .
` ` Science is telling us we need to do more , '' Ban Ki - moon attends climate conference . Warsaw is split between developed and developing nations . Developing nations want more support for adaptation to a changing world .