Toronto cools some of the larger office buildings downtown by pulling in cold water from the bottom of Lake Ontario. http://www.acciona.ca/projects/constructio

Toronto cools some of the larger office buildings downtown by pulling in cold water from the bottom of Lake Ontario. http://www.acciona.ca/projects/construction/port-and-hydraulic-works/deep-lake-water-cooling-system/ http://www.acciona.ca/projects/construction/port-and-hydraul...