Environmental Graffiti

The Walls Are Alive

Have you ever wondered how plants grow in the weirdest of places like rocks, tree trunks, and the outside of houses? This phenomenon, based on the fact that plants actually do not need soil to grow, has been replicated by scientists in recent years. Called vertical gardens, green walls or sky farms, they try to bring green oases and even farming indoors. Portrayed by us in May 2008, the idea has since grown roots (pun intended).

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