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Hestia Software Measures Urban Carbon Dioxide Emissions
http://sustainability.asu.edu/media/video/hestia-software

Kevin Gurney, ASU Global Institute of Sustainability

This short video describes the Hestia project - a software tool and data model that provide visualizations of localized CO2 emissions from residential, commercial, and vehicle levels, as well as day versus night comparisons, in the city of Indianapolis.

Video length is 4:47 min.

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Climate Literacy
About Teaching Climate Literacy

The abundance of greenhouse gases in the atmosphere is controlled by biogeochemical cycles that continually move these components between their ocean, land, life, and atmosphere reservoirs. The abundance of carbon in the atmosphere is reduced through seafloor accumulation of marine sediments and accumulation of plant biomass and is increased through deforestation and the burning of fossil fuels as well as through other processes.
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Human activities have affected the land, oceans, and atmosphere, and these changes have altered global climate patterns. Burning fossil fuels, releasing chemicals into the atmosphere, reducing the amount of forest cover, and rapid expansion of farming, development, and industrial activities are releasing carbon dioxide into the atmosphere and changing the balance of the climate system.
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Energy Literacy

Human demand for energy is increasing.
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6.3 Demand for energy is increasing.
Amount of energy used can be calculated and monitored.
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6.8 Calculating and monitoring energy use.

Benchmarks for Science Literacy
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By burning fuels, people are releasing large amounts of carbon dioxide into the atmosphere and transforming chemical energy into thermal energy which spreads throughout the environment.
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Industrialization brings an increased demand for and use of energy. Such usage contributes to having many more goods and services in the industrially developing nations but also leads to more rapid depletion of the earth's energy resources and to environmental risks associated with some energy resources.
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • If doing a carbon footprint project in class, have students view the video after they have determined their own carbon footprint and then compare and contrast the two types of carbon footprints in terms of use, information conveyed, value etc.
  • This is a powerful tool to identify high-leverage actions to reduce emissions and to help urban planners and citizens understand the impact of their decisions and actions on CO2 emissions.
  • Educator might want to consider viewing the video using link: http://hestia.project.asu.edu/newsroom.shtml where there is a news article or http://hestia.project.asu.edu/uploads/Gurney.ES&T.2012.pdf to support implementing this software/tool.

About the Science

  • Sustainability Scientist Kevin Gurney and fellow researchers developed software models that measure specific greenhouse gas emissions at the city level. Named Hestia after the Greek goddess of the hearth and home, the program uses data from local cities to measure and pinpoint emissions from specific urban infrastructures like individual buildings and roads. This video explains the measuring process step-by-step and compares emissions in Indianapolis during certain times of the day.
  • Comments from expert scientist: The video has a good general introduction to CO2 being a greenhouse gas and what its dominant sources are in an urban center. Visual representation of the CO2 emissions and its diurnal cycle are very clear and instructive. One concern about the video is the validity of the representations in a few years. It was not clear from the video how often the data input is updated.

About the Pedagogy

  • The graphic display of carbon emissions is very effective at demonstrating the different sources of carbon, and their relative intensity, over the span of one day.

Technical Details/Ease of Use

  • Closed captioned.

Related URLs These related sites were noted by our reviewers but have not been reviewed by CLEAN

http://www.youtube.com/watch?feature=player_embedded&v=ujD52RTvyME

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