A secret garden on the rooftop of Minneapolis Target Center, home of NBA Minnesota Timberwolves is making the view from up above beautiful. The Minnesota heat which reaches 140 degree won’t be such an inconvenience anymore. The 2.5 acres of plants will keep the same temperature as the air and this will reduce the significant cooling and heating costs of the building. Besides lowering the bills it will also keep 3.68 million gallons of water from running into the Mississippi.
This is a great opportunity for Minneapolis and will be even greater when hopefully this fad starts catching on nationally. Toronto has passed a new law mandating “green” rooftops for all new developments. Any new development with 2,000 square meters must make sure their roof top holds between 20 and 60% of vegetation. This new law is for residential space, commercial space as well as industrial. There are mixed reviews about this law, many grumbles due to the extra expense this will cost. But to others they see this extra expense paying off in the end.
Chicago has joined by having 600 green rooftops. This could be the start of something great for our environment, and why not it’s unused space. Although the US has not made it mandatory like Toronto, Chicago holds the highest amount of green rooftops.
There are so many benefits to having a green roof. They are such a great way to insulate buildings and homes, and they reduce energy bills. It is a great way to release oxygen into the air so car pollution is decreased. This will also create a great space for workers at companies with green roofs to be able to enjoy the outdoors on a lunch break. It is also possible to grow flowers, herbs, vegetables on these roofs; the Fairmount Hotel in Vancouver used their roof top space for this and therefore saves their kitchen almost 30,000 a year in food cost.
By Kate Kiselka. Follow me on Twitter
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