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Cities can reduce greenhouse gas emissions by 70 percent, says U of T researcher
Date:2/12/2013

TORONTO, ON Cities around the world can significantly reduce greenhouse gas (GHG) emissions by implementing aggressive but practical policy changes, says a new study by University of Toronto Civil Engineering Professor Chris Kennedy and World Bank climate change specialist Lorraine Sugar, one of Kennedy's former students.

Kennedy and Sugar make the claim in 'A low carbon infrastructure plan for Toronto, Canada,' published in the latest issue of The Canadian Journal of Civil Engineering. The paper aims to show how cities can make a positive difference using realistic, achievable steps. Their research shows that it is technically possible for cities to reduce their greenhouse gas emissions by 70 per cent or more in the long-term.

"This is the sort of reduction the international community is calling for, so we can avoid the potentially serious consequences of climate change," said Professor Kennedy.

They note that more than half of the world's population lives in urban areas and over 70 per cent 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."

The study focuses on buildings, energy supply and transportation. Best practices as well as options and opportunities for example, encouraging electric cars and increasing bicycling infrastructure are detailed.

"It is possible for a Canadian city, in this case Toronto, to reduce its GHG emissions by the sort of magnitudes that the international scientific community have indicated are necessary globally to keep global temperature rise below 2 C," Kennedy and Sugar write.

"With current policies, especially cleaning of the electricity grid, Toronto's per-capita GHG emissions could be reduced by 30 per cent over the next 20 years. To go further, however, reducing emissions in the order of 70 per cent, would require
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Contact: Terry Lavender
terry.lavender@utoronto.ca
416-978-4498
University of Toronto Faculty of Applied Science & Engineering
Source:Eurekalert

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