Green roofs are growing more and more common as public awareness of the impact of a sea of concrete has on local environments in Buenos Aires. The movement comes on the wake of several discoveries, including a 3.6 to 5.4 degree difference between cities and surrounding environments. Green roofs may seem like an oddball path to solving the issue, but it's a cheap and effective means of turning back the temperature tide.

The accelerated growth of modern cities has affected many of the planet’s natural processes. In urban centres, which are dominated by asphalt and cement, have been shown to actually alter the natural cycles of water and air among other things.

During the summer, urban regions tend to have temperatures that average one to 4.5 degrees Celsius higher than in nearby areas, a phenomenon known as the heat island effect, with the heat increase varying based on the climate, topography and urban design.

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