BBC NEWS | Science/Nature | UN warning over global ice lossHundreds of millions of livelihoods will be affected by declining snow and ice cover as a result of global warming, a UN report has warned. The risks facing people included losing access to drinking water, and rising sea levels, the study concluded. The findings were published by the UN's Environment Programme (Unep). Unep chief Achim Steiner said the report showed that time was running out for po
