Denser cities are more energy efficient

By Kate Samuelson
January 13, 2017

Denser cities are more energy efficient, says a new study that suggests that keeping urban areas across the world tightly packed could improve energy use and sustainability in decades to come.

For the study, called ‘Global scenarios of urban density and its impacts on building energy use through 2050,’ a team of international researchers used specialized computer models to study predictions of global urban population densities and associated energy use through to 2050.

The researchers found that building cities in a dense manner “sooner rather than later” would result in more energy savings by the middle of the century. “Dense urban development leads to less urban energy use overall,” the study reads.

Of all the areas studied, China, Europe, and North America will account for the bulk of the future cumulative energy use for heating and cooling through 2050, the study shows. China’s energy use for heating and cooling is set to exceed North America’s energy use across all of the scenarios, except in the high urban density scenario.

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