Smart trees bring breath of fresh air to French cities

A simulation shows how the smart trees could look in cities

Smart trees that can water themselves and give out twice as much CO2 as normal trees are bringing a breath of fresh air – and shade – to French cities.

Toulouse recently planted several of the trees and is following the lead set by Paris and Rosny-sous-Bois.

Each tree needs only a square  metre of ground space and grows over a metallic ...

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