Radio Australia: The United Nations secretary general, Ban Ki-Moon, has warned that the international financial crisis must not halt global efforts to fight climate change – warning any future failures would be “catastrophic”. He was speaking at a news conference at the end of a two-day visit to Bangladesh. “We cannot allow the financial crisis to impede our efforts to fight the climate change. “A one metre rise in sea levels could displace 30 million Bangladeshis and deal a catastrophic …