By 2050, two-thirds of the world's population will be living in cities. The energy required to heat, cool, and electrify the world's cities makes the Buildings and Cities sector central to climate change. Project Drawdown identifies a wide array of strategies--efficient heating, cooling, infrastructure, and advanced materials--that could achieve in excess of 50 gigatons of CO2 emissions reduction.
This collection features stories (see below) that display a wide range of responses to the challenge of building efficient and sustainable buildings and cities. In Colombia and Singapore, recycled building materials and vertical urban gardens mark the cutting edge of large scale sustainable urban solutions; Detroit, Michigan has switched its street lamps to LED bulbs; the city of Vancouver, B.C. has strategically transitioned into a more bike friendly town by separating bike lanes from cars, resulting in a 60% increase in bicycle commuting; Los Angeles is experimenting with "cool pavements" and the Mall of America is harnessing body heat as an energy source to provide the buildings' heat. Solutions in this sector are included in the Drawdown Ecochallenge actions to reduce greenhouse gas emissions.
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