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Yes, a few climate models give unexpected predictions – but the technology remains a powerful tool

An article in the eminent US magazine Science has triggered debate over whether scientists should use climate models. Here’s what you should know about climate models ahead of today’s IPCC report.
The new model predicts the growth of small ponds on arctic ice sheets. Scientific Visualization Studio / NASA

Video: How simple math can help predict the melting of sea ice

Understanding sea ice loss requires expensive and difficult expeditions. Scientists have developed a new model that predicts the growth of small ponds on sea ice more efficiently.
Temperatures are warming faster in the Arctic than anywhere else in the world. Water and sewer pipes in Iqaluit, Nunavut, are cracking during the winter as the ground shifts. THE CANADIAN PRESS/Sean Kilpatrick

The unexpected link between the ozone hole and Arctic warming

New research finds that chlorofluorocarbons (CFCs) and other ozone-depleting substances have boosted the effects of climate change in the Arctic.
Without a radical change of course on climate change, Australians will struggle to survive on this continent, let alone thrive. AAP/Dave Hunt

Scientists hate to say ‘I told you so’. But Australia, you were warned

For decades Australian scientists have, clearly and respectfully, warned about the risks to Australia of a rapidly heating climate. After this season’s fires, perhaps it’s time to listen.

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