Radio Australia: The World Bank is warning future climate change refugees present the Australian government with a major policy challenge. Experts suggest there will be many tens of millions of people affected by rising sea levels alone – the bulk of them in the Asia-Pacific region. The World Bank is urging a positive re-think in Canberra about labour migration. Presenter: Karon Snowdon Speaker: Dr Dilip Ratha, Senior Economist at the World Bank and the Manager of its Migration Division. …