Big trout saved from close call with extinction

Hour after hour, Brian Dunn lofted his fly line into the turquoise-blue water of this shimmering desert lake north of Reno. Finally, just after lunch, his line straightened and a smile spread on his face. Before long, a 6-pound, ...

Canadian ice shelves halve in six years

Half of Canada's ancient ice shelves have disappeared in the last six years, researchers have said, with new data showing significant portions melted in the last year alone.

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