6th Holcim Awards 2020/21

226 Hanoi, the capital city of Vietnam, is among the most polluted cities in the world, with devastating effects on the environment and on the health of its citizens. Green Lungs Hanoi is a volunteer-initiated project that plans to restore subtropical forests on Banana Island, a 26-hectare parcel of land in the middle of Red River, in the attempt to bring more greenery into the urban area. Unlike public parks and botanical gardens, the project seeks to develop a self-sustained ecosystem through the reconstitution of the local flora and fauna and the promotion of biodiversity, in addition to addressing seasonal flooding and soil erosion. The strategy pursued is to combat the ongoing biotic homogenization phenomenon, which results in native species being gradually replaced by invasive cosmopolitan species and causes a drastic alteration in the ecosystem together with a loss of regional biodiversity. The forest re-creation is conceived as an open-air laboratory that Propagated Sanctuary Urban forest and economic catalyst Hanoi, Vietnam Holcim Awards Acknowledgement prize 2020 Asia Pacific Global Holcim Awards Bronze ex aequo update page 38

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