Dateline Pacific evening edition for 7 September 2015

The UN Special Envoy on climate change urges Pacific unity ahead of climate talks in Paris; Australia appears to not share New Zealand's concerns abotu Nauru's justice sector; A Papua New Guinea Ambulance service shuts down, but the government says its not its fault; A West Papua activist is denied entry into PNG; And, new research shows modern medicines do not cater for the genetic makeup of Pacific people.