Energy & Green Tech

Indy 500 waves green flag on sustainability with lofty goals

Parked a few feet from the iconic pagoda at Indianapolis Motor Speedway is a reimagined E-Z-Go golf cart that's essentially filled with garbage. Plastic bottles tossed into recycling bins months ago are now neatly stacked ...

Engineering

Houses made of waste changing lives in South America

Homes made of discarded plastic bottles, construction waste and old tires are being built across Latin America as new technologies help turn municipal waste into sustainable bricks and tiles.

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