12/19/2013

Laser technology known as lidar could allow researchers to pinpoint the location of polar bear dens and help keep them safe from potential threats caused by oil drilling. A new study found the technology could be used to identify as many as 95% of the dens. "A lot of oil and gas exploration happens in the winter -- that's when bears are in their dens, rearing their young," said Benjamin Jones, co-author of the study and a research geographer for the U.S. Geological Survey Alaska Science Center.

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