Global Warming and Climate Change

1. Global Warmingand Climate Change

2. Learning Objectives • Form definitions of global warming, climate change and greenhouse effect based on prior knowledge, class discussion, and viewing videos and diagrams. • Hypothesize about the causes and effects of global warming on the climate and the world's populations. • Analyze global warming diagrams and resources to obtain a clear understanding of this scientific process.

3. Global Warming Activity: The class will watch a 3-minute video about Global Warming. Be sure to look for… • Causes of Global Warming • Nature of Global Warming • Effects of Global Warming

4. What is it? Global Warming

5. Share your thoughts…After watching the video, how will you describe global warming? Did your preconceptions about global warming changed after watching the film? Why?

6. Global Warming • Refers to the rise in the temperature of Earth’s atmosphere. • Earth’s temperature has risen by 1.2 - 1.4°F in the last century. • Sea level has risen approximately 1 inch

7. Global Warming • Causes climate patterns to change • 2000-2009 was the hottest decade on record. • Different from Climate Change • Projected increase in earth’s temperature for the next hundred years – 2 to 11.5°F

8. What causes Global Warming?

9. Greenhouse Effect

10. It works the same way as a greenhouse. The windows of a greenhouse play the same role as the gases in the atmosphere, keeping some of the heat inside the greenhouse. It’s called Greenhouse Effect because…

11. Remember! • Greenhouse effect is atmosphere’s natural ability to store the heat radiated from earth. • A layer of greenhouse gases – mainly water vapor, lesser amounts of carbon dioxide, methane, nitrous oxide and ozone. • Acts as a thermal blanket for the Earth, absorbing heat and warming the surface to a life-supporting average of 59 degrees Fahrenheit or 15°C.  (http://climate.nasa.gov/causes) • Due to several human activities the amount of greenhouse gases increase in the atmosphere. More heat stays on earth thus warming the earth (Global Warming).

12. Share your thoughts…What is greenhouse effect? Is it good for the earth? Explain your answer. Differentiate natural greenhouse effect from enhanced greenhouse effect.

13. Greenhouse Gases • Chemical compound or gas found in earth’s atmosphere • Allow sun’s energy to enter our atmosphere. • The primary or naturally occurring greenhouse gases (GHG) in Earth’s atmosphere are water vapor (H2O), carbon dioxide (CO2),methane (CH4), nitrous oxide (N2O) and ozone (O3).

14. Greenhouse Gases Natural Enhanced (produced by human activities) Carbon Dioxide Methane Nitrous Oxide Fluorinated Gases synthetic gases • Water Vapor (H2O) • Carbon Dioxide (CO2) • Methane (CH4) • Nitrous Oxide (N2O) • Ozone (O3)

15. Greenhouse Gases Source: http://en.wikipedia.org/wiki/Greenhouse_gas#cite_note-kiehl197-13

16. Greenhouse Gases Source: http://www.epa.gov/climatechange/ghgemissions/global.html

17. Greenhouse Gases Carbon Dioxide • Released through natural processes and through human activities such as deforestation, land use changes, and burning fossil fuels. (http://climate.nasa.gov/causes) • Major contributor to enhanced greenhouse effect • Lasts up to 30-95 years in earth’s atmosphere

18. Greenhouse Gases Water Vapor • Most abundant greenhouse gas • Generated by evaporation and removed by condensation Methane • Emitted from production of coal, oil and natural gas • Produced from livestock and agricultural practices

19. Greenhouse Gases Nitrous Oxide • Emitted by bacteria in soils and oceans • Resulted from certain agricultural practices (fertilizers) • Also considered an air pollutant

20. Share your thoughts…Cite some examples of human activities that causes Greenhouse Gases to increase in earth’s atmosphere.

21. Remember greenhouse gases are essential to our planet. Natural greenhouse effect heats our lower atmosphere which supports life on earth. However too much of it causes the earth to become warmer. Warmer earth changes weather patterns, oceans, ice and ecosystem.

22. What is Climate Change?

23. Climate Change • Refers to any significant change in the measures of climate lasting for an extended period of time. • Includes major changes in temperature, precipitation, or wind patterns, and other effects that occur over a long time.

24. Remember! Climate Change is different from Global Warming. Global Warming is the cause and Climate Change is the effect!

25. Key Indicators of Climate Change • Increase in Carbon Dioxide Concentration • Global surface temperature (Global Warming) • Arctic Sea Ice • Land Ice • Sea Level

26. Climate Change • Warming is experienced in northern and southern regions of the Philippines. • The Caribbean has experienced more powerful hurricanes and severe droughts in recent years • El Nino and La Nina phenomena • Extreme weather events like damaging typhoons, floods and landslides

27. Share your thoughts… Can we “change” climate change? What can we do to minimize the effects of climate change?

28. Where do you stand? Using the references and resources given to you answer this question. Has human activity caused the world’s climate to change over the past 100 years? Write your answers on the Global Warming Venn Diagram handout.

29. Mother Earth is our only Planet! It’s not too late to save our home..

30. Data Sources • http://climate.nasa.gov/causes • http://en.wikipedia.org/wiki/Greenhouse_gas#cite_note-kiehl197-13 • http://www.eia.gov/oiaf/1605/ggccebro/chapter1.html • http://knowledge.allianz.com/environment/climate_change/?119/what-is-global-warming • http://epa.gov/climatechange/kids/faq.html • http://www.clean-air-kids.org.uk/globalwarming.pdf • http://www.doe.gov.ph/cc/ccp.htm • http://www.globalwarmingfacts.net/ • http://environment.about.com/od/faqglobalwarming/f/greengases.htm • http://www.britannica.com/EBchecked/topic/683450/greenhouse-gas • http://climate.nasa.gov/causes • http://en.wikipedia.org/wiki/Greenhouse_gas

31. Image Sources • http://static.guim.co.uk/sys-images/Technology/Pix/pictures/2008/04/23/Cloud460x276.jpg • http://media.propertycasualty360.com/propertycasualty360/article/2012/07/02/iStock_000004159633XSmall.jpg • http://www.earthtimes.org/newsimage/quick-easy-cut-global-warming_112112.jpg • http://www.kennett.co.nz/rameka/uploaded_images/You-Control-Climate-Change-773583.jpg • http://www.organiclifestylemagazine.com/images/issue-8/climate-change.jpg • http://t1.gstatic.com/images?q=tbn:ANd9GcR0fr-royYauwN-o6vba5mXc_0YZEEFh7ZtEd5qEIMMS-z9foR6 • http://graphics8.nytimes.com/images/2012/01/17/timestopics/global-warming/global-warming-sfSpan.jpg • http://blogs-images.forbes.com/jamestaylor/files/2011/05/0115_climate-change-earth_416x416.jpg • http://www.globalwarmingisreal.com/wp-content/uploads/2006/06/global_warming_earth.jpg

32. Image Sources • http://www.nps.gov/goga/naturescience/images/Greenhouse-effect.jpg • http://www.scientificamerican.com/media/inline/from-bad-to-worse-with-greenhouse-gas-emissions_1.jpg • http://www.epa.gov/climatechange/kids/images/1-1-1-2-pop.jpg • http://www.huffingtonpost.com/theblog/archive/wpolar09.jpg • http://www.buzzle.com/img/articleImages/559553-49624-51.jpg • http://images6.fanpop.com/image/photos/33000000/Global-Warming-global-warming-prevention-33088666-800-625.jpg • http://i.telegraph.co.uk/multimedia/archive/02340/BXCWK6_2340011b.jpg

33. Image Sources • http://scienceofdoom.files.wordpress.com/2009/11/earthfromspace1.png • http://sciencewithme.com/wp-content/uploads/2011/01/fossilfuels_main3.jpg • http://insideclimatenews.org/sites/default/files/imagecache/home_page_slideshow/fertilizer_runoff.jpg • http://www.odi.org.uk/sites/odi.org.uk/files/styles/gstyle_632x396/public/widget-images/533394.jpg • http://bloomtrigger.com/Content/PagesImages/climate-change-frame-1000px.png • http://blogs.thenews.com.pk/blogs/wp-content/uploads/2012/07/climate-change.jpg

34. Video Sources • http://www.youtube.com/watch?v=GKJ1XSKSqf4&list=PL2EDF55FEEDDD86E1 • http://www.youtube.com/watch?v=W4ksgGPURB0 • http://www.youtube.com/watch?v=oJAbATJCugs • http://www.youtube.com/watch?feature=player_embedded&v=VYMjSule0Bw#!

35. Explanation • Aside from the “share your thoughts” section, the material has also some “remember” sections. These shows the most important information that they have to remember and at the same time it clarifies common misconceptions about the topic. To sustain students’ attention and to ensure that learning objectives are met group activity was included in the material. It asks the students to discuss amongst themselves about the possible effects of global warming. • The teacher has used two non-projected materials for this lesson. First one is the blackboard and the second one is the Venn Diagram handout. The handout was given before the second activity. If there’s not enough time, the Venn Diagram handout will serve as an assignment however if there’s an available time the teacher can use it as a seatwork for the students. If you will notice the handout was used at the latter part of the lesson this is to ensure that students have already developed basic knowledge about the question on the handout. • To acknowledge or recognize the different learning styles of her students, the teacher has incorporated several medium of instruction in her lesson. Videos for visual and auditory learners. Group activities for kinesthetic learners. Venn Diagram handout for reading and writing learners.