Science articles

2017 already marked by climate extremes: UN

Extreme weather and climate conditions, including Arctic “heatwaves”, are continuing this year, after 2016 topped the global temperature charts and saw shrinking sea ice and surging sea levels.

‘Dead zones’ a threat to coral reefs

Low-oxygen areas of the ocean known as dead zones threaten hundreds of coral reefs worldwide, fragile ecosystems already struggling because of climate change and pollution, researchers said Monday.

Preserving the memory of glaciers

Locked up in about 140 metres (460 feet) of ice capping a Bolivian mountain lie 18,000 years of climate history, dating back to an epoch when humans were only just learning to farm.

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