Green roofs are sprouting up on buses

By Stephanie Bailey, CNN

Updated 0911 GMT (1711 HKT) June 18, 2019

Urban greenery specialist GWS Living Art has installed green roofs on 10 public buses in Singapore. The "Garden on the Move" campaign is part of a trial to see whether plants can help to reduce the temperatures inside buses so that operators can save the fuel that is spent on air conditioning.
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Urban greenery specialist GWS Living Art has installed green roofs on 10 public buses in Singapore. The "Garden on the Move" campaign is part of a trial to see whether plants can help to reduce the temperatures inside buses so that operators can save the fuel that is spent on air conditioning.
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The plants are succulents and grasses that have been specially selected to withstand warm conditions on top of the buses.
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