Vertical Gardens Alleviate Pollution in Mexico City

 Eco-sculptures and vertical gardens are the latest indication that Mexico City has become a leader in environmental efforts for the developing world.

The vertical garden aims to scrub away both the filth and the image. One of three eco-sculptures installed across the city by a nonprofit called VerdMX, the arch is both art and oxygenator. It catches the eye. And it also helps clean the air.
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