Heat sensitive lamp posts are being trialed in Toulouse, France starting today. Installed along a 500 metre stretch of the Allée Camille-Soula, the lights only turn on when they detect human body heat.

Heat sensitive lamp posts are being trialed in Toulouse, France starting today. Installed along a 500 metre stretch of the Allée Camille-Soula, the lights only turn on when they detect human body heat. Once a person has passed they shut off within ten seconds. This reactive light is not only designed to save energy – the goal is to cut consumption by 50% – but it's also a step to cut down on nocturnal light pollution as well.

The Guardian reports:

“The new technology may be a good idea for somewhere like Toulouse but in the countryside the best thing is to just turn the lights off,” said Véronique Clérin, of the National Association for the Protection of the Sky and the Nocturnal Environment. “The average commune [an administrative area] can cut its electricity bill by a quarter and protect natural habitats and the migration patterns of birds, insects and mammals.”

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