Sc Full Of Hot Air

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Sc Full Of Hot Air

  1. 1. Full of Hot Air An Interactive Family Forum on Global Warming
  2. 2. by Stephanie Radi Charlie Trautmann Sciencenter Ithaca, NY USA
  3. 3. Is there a difference between weather and climate? <ul><li>Yes </li></ul><ul><li>No </li></ul><ul><li>Unsure </li></ul>0 Answer Now
  4. 4. What is the difference between weather and climate? <ul><li>WEATHER: Wind, temperature, rain – things that change daily. </li></ul><ul><li>CLIMATE: The average weather over many years. </li></ul>
  5. 5. Is the Earth warming? <ul><li>YES! The Earth is warmer now than in the past 1,000 years. </li></ul><ul><li>The average surface temperature has risen 0.6 ° C (1 ° F)  in the past century. </li></ul>
  6. 6. Temperature Is Rising… Jones, P.D. and Moberg, A. (2003) &quot;Hemispheric and large-scale surface air temperature variations: An extensive revision and an update to 2001&quot;. Journal of Climate , 16, 206-223.
  7. 7. Do You Think Global Warming Will Affect Your Life? <ul><li>Yes </li></ul><ul><li>No </li></ul><ul><li>Unsure </li></ul>58 Answer Now
  8. 8. How Does the Earth Receive Heat ?
  9. 9. The “Greenhouse Effect” www.britain4kiwikids.org.nz/news/global.html
  10. 10. Why is the Earth Warming? <ul><li>We are putting greenhouse gases </li></ul><ul><li>into the atmosphere. </li></ul>
  11. 11. Why Are Greenhouse Gases Increasing? <ul><li>We burn fossil fuels (coal, gas, oil) to: </li></ul><ul><ul><li>Make power </li></ul></ul><ul><ul><li>Run our cars </li></ul></ul><ul><ul><li>Heat our homes </li></ul></ul><ul><li>Whenever we burn fossil fuels, we create greenhouse gases </li></ul>
  12. 12. We Are Releasing More Carbon Dioxide (CO2) Over Time Marland, G., T.A. Boden, and R. J. Andres. 2003. &quot;Global, Regional, and National CO2 Emissions.&quot; In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A.
  13. 13. Greenhouse Gases Come From: This figure was prepared by Robert A. Rohde from publicly avialable data and is part of the Global Warming Art project.
  14. 14. Temperature and Carbon Dioxide Are Rising Together
  15. 15. Which of the following is NOT a greenhouse gas? <ul><li>Carbon Dioxide </li></ul><ul><li>Water Vapor </li></ul><ul><li>Oxygen </li></ul><ul><li>Methane </li></ul>46 Answer Now
  16. 16. Global Warming is Causing Many Changes on Earth
  17. 17. Clues about how the Global Climate is Warming
  18. 18. #1: Melting Polar Ice <ul><li>February 17, 2002 </li></ul>www.exploratorium.edu 16 days later Larsen B Ice Shelf - Antarctica
  19. 19. # 2: Melting Glaciers July 7th, 1909 by Ulysses Sherman Grant, USGS photo library, public domain [2] August 11, 2004 by Bruce F. Molnia, USGS , public domain
  20. 20. #3: Disrupted Ecosystems <ul><li>Bleaching of the </li></ul><ul><li>Great Barrier Reef </li></ul>NOAA Copyright (c) 2004 Richard Ling Healthy Coral
  21. 21. #3: Disrupted Ecosystems Belief: The golden toad is now extinct because of loss of habitat caused by global warming US Fish and Wildlife Service
  22. 22. #4: Increased Hurricane Activity <ul><li>FACT: 2005 - Most Category 5 hurricanes in the Atlantic Ocean </li></ul>This image is a work of the National Oceanic and Atmospheric Administration , taken or made during the course of an employee's official duties.
  23. 23. #5: Heat Waves <ul><li>FACT: 2003 heat wave killed </li></ul><ul><li>at least 35,000 Europeans </li></ul>http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=11166
  24. 24. #6: Sea Level Rise <ul><li>FACT: 100 million people live </li></ul><ul><li>within 100 cm of above sea level! </li></ul>This figure was prepared from publicly available data by Robert A. Rohde .
  25. 25. What Does Global Warming Mean for Humans? <ul><li>Change in where rain falls: </li></ul><ul><ul><li>More flooding </li></ul></ul><ul><ul><li>More droughts </li></ul></ul>
  26. 26. Do You Know Someone Who Lives Near the Ocean? <ul><li>Yes </li></ul><ul><li>No </li></ul>10 Answer Now
  27. 27. Environmental Studies Laboratory, Department of Geosciences, The University of Arizona All contents © 2003 Arizona Board of Regents Now
  28. 28. Environmental Studies Laboratory, Department of Geosciences, The University of Arizona All contents © 2003 Arizona Board of Regents +1 meter
  29. 29. Do You Think Global Warming Will Affect Your Life? <ul><li>Yes </li></ul><ul><li>No </li></ul><ul><li>Unsure </li></ul>59 Answer Now
  30. 30. How Science is Helping… <ul><li>Helping us understand how the climate is changing </li></ul><ul><li>Creating new ways to reduce greenhouse gases </li></ul>
  31. 31. And… WE can make a difference!
  32. 32. What Can I Do? <ul><li>1. Change 5 light bulbs to compact fluorescent </li></ul><ul><li>Use ¼ as much energy </li></ul><ul><li>If every household did this, we could cut 30 million tons of CO2 each year </li></ul>
  33. 33. What Can I Do? <ul><li>2. Wash clothes in cold (not hot) water, run one less load / week </li></ul><ul><li>Save 216 kg CO2 per household </li></ul><ul><li>If every household did this, we could cut 24 million tons of CO2 each year </li></ul>
  34. 34. What Can I Do? <ul><li>3. Reduce shower time to 5 min + install a low-flow shower head </li></ul><ul><li>Save 193 kg CO2 per household </li></ul><ul><li>If every household did this, we could cut 64 million tons of CO2 each year </li></ul>
  35. 35. What Can I Do? <ul><li>4. Buy a sweater and set your thermostat to 18 ° C ( 65 ° F) days and 13 ° C ( 55 ° F) at night </li></ul><ul><li>Save 650 kg CO2 per household </li></ul><ul><li>If every household did this, we could cut 71 million tons of CO2 each year </li></ul>
  36. 36. What Can I Do? <ul><li>5. Turn off lights when not needed </li></ul><ul><li>Save 178 kg CO2 per household </li></ul><ul><li>If every household did this, we could cut 20 million tons of CO2 each year </li></ul>
  37. 37. What Can I Do? <ul><li>6. Buy wind-generated (“green”) power </li></ul><ul><li>Purchase for $20 for 800 kWh / month </li></ul><ul><li>Save 1560 kg CO2 per household </li></ul><ul><li>If every household did this, we could cut 173 million tons of CO2 each year </li></ul>
  38. 38. Putting it together… <ul><li>If we all did these 6 things: </li></ul><ul><li>Save $75 per year in energy costs </li></ul><ul><li>Cut 900 million tons of CO2, or 15% of the country’s total CO2 emissions. </li></ul>
  39. 39. What Else Can I Do? <ul><li>Talk to people! </li></ul><ul><li>Let your friends know about global warming </li></ul><ul><li>Urge business leaders and politicians to think about the environment as they make decisions </li></ul>
  40. 40. With everyone’s help, We can change the world!
  41. 41. Questions?

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