The Week in Pictures: Volvo's Pedestrian Airbag, Paris Underwater, and More

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paris underwater volvo pedestrian airbag france grass carpet sliding library

credit: TreeHugger

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Volvo has announced an airbag on the hood of the car to protect pedestrians: Is that a good or a bad idea?

We also have a dark vision of Paris flooded by rising seas, a sliding library that creates an extra room in a hip Buenos Aires apartment, a French town's giant carpet made of grass, and more in our roundup of the best images on TreeHugger this week.