Sponges, urban forests and air corridors: How nature can cool cities

City in a Forest

City in a forest

Handout photo showing a planned “forest city”, Liuzhou forest city, in southern China. Courtesy of Stefano Boeri Architetti. (Reuters)

City in a forest

Handout photo showing a planned “forest city”, Liuzhou forest city, in southern China. Courtesy of Stefano Boeri Architetti. (Reuters)

City in a Forest

Handout photo showing a planned “forest city”, Liuzhou forest city, in southern China. Courtesy of Stefano Boeri Architetti. (Reuters)

City in a Forest

Handout photo showing a planned “forest city”, Liuzhou forest city, in southern China. Courtesy of Stefano Boeri Architetti. (Reuters)

City in a Forest

Handout photo showing a planned “forest city”, Liuzhou forest city, in southern China. Courtesy of Stefano Boeri Architetti. (Reuters)

City in a Forest

Handout photo showing a planned “forest city”, Liuzhou forest city, in southern China. Courtesy of Stefano Boeri Architetti. (Reuters)