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Jim Harris

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simple solution

White roofs will save more than $1 Trillion globally!

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July 19, 2009 By Jim Harris

Black is the most effective colour for trapping the sun's heat, while white is the best at repelling it. Black pavement accounts for 40% of urban surfaces while roofs -- typically covered with black or dark shingles --account for 20% to 25%. For the full column see http://bit.ly/5MqZXt … [Read more...] about White roofs will save more than $1 Trillion globally!

Filed Under: Blog Tagged With: albedo effect, energy efficiency, simple solution, white roofs

Billions of kWhrs can be saved with motor efficiency on escalators

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July 6, 2009 By Jim Harris

My latest column in the National Post this past Friday (July 3) focused on the billions of kilowatt hours than can be saved by improving the efficiency of escalators -- with litlle or no investement. Read the column at http://bit.ly/5Be86o … [Read more...] about Billions of kWhrs can be saved with motor efficiency on escalators

Filed Under: News Tagged With: billions kWh, energy efficiency, escalotors, National Post, simple solution

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Jim Harris
Focusing on disruptive innovation, digital transformation, strategic planning with executive teams and boards & leadership.


#1 International Bestselling Author, Management Consultant, Keynote Speaker and Strategic Planning Facilitator.

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