Green City Solutions’ co-founders (from left) Wu Liang, Dénes Honus, Peter Sänger and Victor Splittgerber with a CityTree prototype, in Dresden, Germany.

Vertical gardens that 'eat' air pollution and how Hong Kong could use them

German architect Dénes Honus, co-founder of Green City Solutions, says putting 200 of its internet-enabled CityTree vertical gardens in city's Wan Chai district would cut pollution there by 30 per cent or more

Topic |   Hong Kong air pollution

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Green City Solutions’ co-founders (from left) Wu Liang, Dénes Honus, Peter Sänger and Victor Splittgerber with a CityTree prototype, in Dresden, Germany.
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