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To find human stories in a changing world I've traveled to Siberia, Fiji, Greenland and beyond.
Food security at risk as coastal erosion strikes
A father and son have a bold plan to save the Arctic
New clues about how the vikings survived climate change
Jennifer Francis defends her controversial hypothesis in my lengthy profile
An Arctic journey in the dead of winter reveals a panoply of unexpected life
Climate Change Is Making Greenland Warmer
Crumbling icebergs used to dominate Greenland's mass loss. Now it's surface melt. Why?
Key pipeline threatened as permafrost thaws