Glaciers are vital to Earth’s water supplies, yet they are being pushed to the brink of collapse. Half of the world’s glaciers could disappear by the end of the century. A French mountain climber is putting her experience to use by helping scientists collect ice samples from major glaciers around the world. Living and dormant species found within them could provide vital clues in the fight against global warming. The Down to Earth team has the story.
Corrosion caused by road salt is taking a toll on Calgarys fire trucks
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