From Rooftop to Alleyway, Chicago Fights Extreme Urban Heat With Greener Ideas (Oct. 9, 2012)
Synopsis
One of Chicago's most beautiful and hidden gardens is located on top of City Hall, part of an effort to 'green' roofs in order fight rising temperatures. Hari Sreenivasan reports on the actions the city of Chicago is taking to mitigate climate change in an urban landscape.
Source: PBS NewsHour
Length: 10:31
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Watch the video and answer the following questions:
Cities such as Chicago are becoming increasingly concerned with the human health effects of high heat.
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Chicago is currently developing several newer techniques to help alleviate the effects of city heat.
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Urban areas, such as Chicago, are often hotter than their surrounding rural or natural areas because
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Consequences of the multi-day heat spell which struck Chicago in 1995 included
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The future climate of Chicago is predicted to have each of the following except for
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Watch the video and answer the following questions:
What is meant by the urban heat island effect? Is the magnitude of this effect different between daytime and nighttime? If your goal was to document changes in global temperature over decades in order to determine if the Earth is in fact warming, why would you want to be aware of the urban heat island effect? Have climatologists determined that only urban areas are warming, or are both urban and rural locations warming?
What is a green roof? How do green roofs address concerns associated with the urban island heat effect? What benefits do we get from green roofs? Proposed new buildings in Chicago which includes a green roof as part of their design gets a quicker permitting process. What are some other incentives to developers to include green roofs on new buildings?
This video and chapter 25 of your text addresses Leadership in Energy and Environmental Design (LEED) certification. What is LEED certification? On what criteria are the certificates awarded?
In addition to green roofs, Chicago is also encouraging the construction of green alleys. Although not literally green in color, they are constructed of permeable (or porous) materials. What are some advantages to constructing alleys and roads out of permeable materials?
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