Zen, a 5-year-old border collie, circled friskily around a mound of snow as he picked up a scent, his quick movements ...

Nine days earlier, on a nearby pass just 5 kilometers (3 miles) away as the crow flies, Zen’s mission ... is more than the global average,’’ said Gianni Marigo, an AINEVA climatologist.

Dogs sniff out avalanche survivors, and bodies Nine days earlier, on a nearby pass just 3 miles away as the crow flies ... the global average,’’ said Gianni Marigo, an AINEVA climatologist.