Cities can cut 70% of emissions with existing technology

• February 14, 2013
Toronto, Creative Commons: Jonathan Moreau, 2006

Toronto, Creative Commons: Jonathan Moreau, 2006

A recent study proposing a sustainable infrastructure plan for the city of Toronto has determined that the technology exists to cut urban greenhouse gas emissions by 70%.  Beyond simply supplying cities with renewable energy, the study points out how greater building efficiency and overhauling private and public transportation can make a big impact in lowering emissions.

“With current policies, especially cleaning of the electricity grid, Toronto’s per-capita greenhouse gas emissions could be reduced by 30% over the next 20 years. To go further, however, reducing emissions in the order of 70%, would require significant retrofitting of the building stock, utilization of renewable heating and cooling systems, and the complete proliferation of electric, or other low carbon, automobiles.”

They note that more than half of the world’s population lives in urban areas and over 70% of global greenhouse gas emissions can be attributed to cities. “Cities are where people live, where economic activity flourishes,” said Sugar. “Cities are where local actions can have global impact.”

Read more: Phys.Org News>>

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About the Author

Karl Burkart is the Digital Communications Director for the GCCA, the Global Call for Climate Action, and TckTckTck, a network of 400+ diverse organizations working around the world for greater action on the growing problem of climate change. Karl also blogs on technology and the environment for a variety of publications. You can follow him on Twitter @greendig.

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