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Concrete jungle or green oasis?

Updated 4:48 AM EDT, Fri August 7, 2015
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A famous symbol of Singapore's greenery, the supertrees at the Gardens by the Bay vary from 25 to 50 meters in height, have steel structures that harvest rainwater for use in the gardens, and solar panels to generate power.
A famous symbol of Singapore's greenery, the supertrees at the Gardens by the Bay vary from 25 to 50 meters in height, have steel structures that harvest rainwater for use in the gardens, and solar panels to generate power.
Getty Images
The gardens by the bay in Singapore's Marina Bay district span 101 hectares of reclaimed land providing a green space for public use. Singapore is ranked first in the Green Cities Index for Asia.
The gardens by the bay in Singapore's Marina Bay district span 101 hectares of reclaimed land providing a green space for public use. Singapore is ranked first in the Green Cities Index for Asia.
Getty Images
The Beach Road development by Foster and Partners meets the green demands of Singapore's building regulations -- the green mark scheme. The complex occupies an entire city block in downtown Singapore and includes a large garden  weaving through the site protected by a large undulating canopy.
The Beach Road development by Foster and Partners meets the green demands of Singapore's building regulations -- the green mark scheme. The complex occupies an entire city block in downtown Singapore and includes a large garden weaving through the site protected by a large undulating canopy.
Courtesy Foster and Partners
The canopy shelters the light-filled spaces beneath from the extremes of the tropical climate and its curvature captures wind flow to provide natural ventilation as well as harvest rainwater used to irrigate the plants below. Solar panels and tubes provide power and hot water.
The canopy shelters the light-filled spaces beneath from the extremes of the tropical climate and its curvature captures wind flow to provide natural ventilation as well as harvest rainwater used to irrigate the plants below. Solar panels and tubes provide power and hot water.
Courtesy Foster and Partners
A 15-mile stretch of hidden parkland opened in 2014, known as the Green Corridor. This was a people-led movement to conserve the land which includes a disused railway.
A 15-mile stretch of hidden parkland opened in 2014, known as the Green Corridor. This was a people-led movement to conserve the land which includes a disused railway.
Courtesy Eugene Tay/ The Green Corridor
All buildings within the Marina Bay district in Singapore have platinum status in the governments Green Mark Scheme -- a rating system introduced in 2005 to evaluate all buildings based on their environmental impact and performance.
All buildings within the Marina Bay district in Singapore have platinum status in the governments Green Mark Scheme -- a rating system introduced in 2005 to evaluate all buildings based on their environmental impact and performance.
ROSLAN RAHMAN/AFP/Getty Images
Renewable energy sources and rainwater harvesting have become standard on all buildings in Singapore, including the the  lotus-shaped ArtScience museum nearby which filters light into exhibition spaces.
Renewable energy sources and rainwater harvesting have become standard on all buildings in Singapore, including the the lotus-shaped ArtScience museum nearby which filters light into exhibition spaces.
courtesy mbs
The Marina Bay Sands complex is topped by a 340m-long SkyPark with capacity for 3,900 people. SkyParks and rooftops gardens have become standard in Singapore as buildings maintain the island nations's green reputation and fulfill legislation to replace any greenery a building removes.
The Marina Bay Sands complex is topped by a 340m-long SkyPark with capacity for 3,900 people. SkyParks and rooftops gardens have become standard in Singapore as buildings maintain the island nations's green reputation and fulfill legislation to replace any greenery a building removes.
Timothy Hursley

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