Alpine tsunami warning
Swiss scientists warn that rapidly melting glaciers could trigger a tsunami thousands of metres above sea level.
Arctic icecap shrinking
The area covered by sea ice in the Arctic has shrunk for a fourth consecutive year, according to new data.
Siberia starts to melt
The world's largest frozen peat bog has started to melt for the first time since it was formed 11,000 years ago.
Minister backs 'green' housing plan

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