Reuters: The next deal to combat climate change may not set the same type of targets for developing nations as it does for the big polluting industrialized countries but everyone will have to be included in some way for it to work, a UN envoy said on Monday. Ricardo Lagos, former president of Chile and now a special UN envoy on climate change, said targets for smaller emitters of greenhouse gases could conceivably involve commitments to halt deforestation or to achieve greater energy …