"Oil Industry Tool to Spare Polar Bears Is More Miss Than Hit"
"A new study casts doubt on the effectiveness of what is considered a state-of-the-art tool to help industry avoid injuring or disturbing polar bears by detecting their dens in the snow. Over more than a decade on the North Slope of Alaska, the study found, oil companies located fewer than half of the known dens of maternal bears and their infant cubs using airborne instruments called forward-looking infrared, or FLIR, cameras."