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Thursday, October 28, 2010 3:30 – 4:30 pm Roberta Johnson, Becca Hatheway, David Mastie, and Parker Pennington IV National Earth Science Teachers Association.

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Presentation on theme: "Thursday, October 28, 2010 3:30 – 4:30 pm Roberta Johnson, Becca Hatheway, David Mastie, and Parker Pennington IV National Earth Science Teachers Association."— Presentation transcript:

1 Thursday, October 28, 2010 3:30 – 4:30 pm Roberta Johnson, Becca Hatheway, David Mastie, and Parker Pennington IV National Earth Science Teachers Association Boulder, CO Tackling the Global Warming Challenge

2 http://www.windows2universe.org

3 http://www.windows2universe.org/earth/climate/climate.html

4 Three levels of content in two languages

5 Presentation Overview Intro: Why is global warming happening? What can we do? Climate and Global Change educational resources from Windows to the Universe Activities: – Plugged in to CO2 – CO2: How Much Do You Spew? – Watch Where You Step Workshop Overview

6 The rise has been relentless and shows a remarkably constant relationship with fossil- fuel burning, and can be well accounted for based on the simple premise that 57% of fossil-fuel emissions remain airborne. Here the number 57% was selected to fit the curve at the ends of the record, but what is significant is how well this link with fossil- fuel burning also fits the curvature in the record, sloping upwards less rapidly at the beginning, and more rapidly at the end. http://scrippsco2.ucsd.edu/program_history/keeling_curve_lessons_3.html

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8 Line plot of global mean land-ocean temperature index, 1880 to present, with the base period 1951-1980. The dotted black line is the annual mean and the solid red line is the five-year mean. The green bars show uncertainty estimates. Hansen et al., 2010-02-18, http://data.giss.nasa.gov/gistemp/graphs/, NASA GISS. Earth is warming…

9 What controls the climate? Volcanic eruptions Reflective snow & ice The Sun & Earth’s orbit And the amount of greenhouse gases… Clouds

10 Greenhouse gases trap heat, causing warming. Heat absorbed by CO2 radiated to space (A). Heat can make its way to space directly (B). Heat absorbed by CO2 radiated towards Earth (C).

11 Sources of anthropogenic greenhouse gas emissions in 2004. (IPCC, 2007) Where do the extra greenhouse gases come from?

12 We can try to adapt to changing climate – Adaptation: protecting people/places by making them less vulnerable to climate impacts We can try to slow or stop warming – Mitigation: slowing global warming by lowering levels of greenhouse gases in the atmosphere What can we do? Overall goal –keep Earth a livable place Sustainability: meeting our present needs without compromising the ability of future generations to meet their needs

13 Energy Choices and Climate Change Energy Choices and Climate Change, an online module, provides a new way to look at how the choices we make about energy affect the amount of greenhouse gases we send into the atmosphere. Users make decisions about the types and amount of energy used and see what effect those decisions have on the amount of carbon dioxide emitted to the atmosphere. The goal is to reduce CO2 emissions from fossil fuels while keeping costs within reason. Now Available on Windows to the Universe! www.windows2universe.org/modules/energy

14 Plugged in to CO2 Students investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy. Calculate these! Work with your neighbors!

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17 P.S. 1 kilogram (or ~2 pounds) of CO2 gas would fill up an average refrigerator. Discussion questions: Did the appliances that use the most energy according to the kill-a-watt meter produce the most CO2 over a year? How can we reduce the amount of CO2 emitted into the atmosphere while still using these appliances?

18 CO2: How Much Do You Spew? Students analyze the energy consumption of a hypothetical household to determine the amount of carbon dioxide they are adding to the atmosphere each year. Directions: Each group has the a different family/individual described on their card. All these people live in different situations and use energy in different ways. Read the information about the family’s energy use. Use the worksheet to calculate their CO2 emissions. Then, let’s discuss!

19 © Facing the Future Ecological Footprint: “Watch Where You Step” Ecological Footprint The area of the earth’s productive surface (land and sea) that it takes to produce the goods and services necessary to support a person’s or a population’s lifestyle.

20 How do you use natural resources? Watch Where You Step © Facing the Future First, Choose: A Favorite Meal A Favorite Object A Piece of Clothing A Mode of Transportation Then, Diagram: Resources needed Processes needed Impacts on the environment

21 Guiding questions What’s it made of? What resources are needed to make it? What processes are needed to make it? Is transportation required? Are fossil fuels required? What are the possible impacts?

22 slaughterhouse packaging Transport to the store gasoline highways Refrigerated truck styrofoam plastic wrap Grazing land Cattle feed pesticides fertilizer Fossil fuels for tractors water soil tractors sun Cow Beef cooking stove natural gas pan Transport home gasoline roads car refrigerator

23 © Facing the Future

24 Facing the Future Resources Teacher lesson plan books Many lessons available for free at www.facingthefuture.orgwww.facingthefuture.org 1-2 week curriculum units Containing lesson plans and student readings Student textbooks Linked to lessons available on website

25 Trouble talking about climate change in the classroom Discussions of climate change have become politicized Some valuable resources for you to consider: – Scripps Institute of Oceanography (home of the Keeling curve) http://scrippsco2.ucsd.edu/home/index.php http://scrippsco2.ucsd.edu/home/index.php – Skeptical Science – continuous updates on arguments regarding global warming and climate change at http://www.skepticalscience.com http://www.skepticalscience.com – Real Climate – updates from climate scientists at http://www.realclimate.org/ http://www.realclimate.org/

26 Windows to the Universe Educator Newsletter Sign up now!

27 WWW.WINDOWS2UNIVERSE.ORG Thursday, October 28 5:00-6:00 - Point, Game, Set, Match: Science Wins with Tennis Ball Containers, Marriott/Count Basie A Friday, October 29 2:00-3:00 - NESTA Share-a-Thon, Conv. Center Rm 1501B 3:30-4:30 - NESTA Rock Raffle, Conv. Center Rm 1501B Saturday, October 30 8:00-9:00 - Radiation Storm vs. Magnetic Shield: Superheroes of Magnetism and Space Weather Education, Conv. Center Rm 2503B 11:00 - 12:00 - Cloudy Day Activities: Bridging Cloud Science, Literacy, and Art, Conv. Center Rm 2502B

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