Target audience: Secondary 2 – O ‘Level

Duration: 2 periods (1 hour)

OBJECTIVES:

The lesson is programmed to:

1. Extract relevant information about the causes and effects of global warming.

2. Create possible solutions in alleviating the causes and effects of global warming through the use of ICT tools.

INTRODUCTION

Many people in this world are increasingly concerned about the effects of

Climate Change especially

Global Warming!As a concerned citizen, what would you do?

Background:

Your task:

•View the multimedia presentation. (Video, Animation, PowerPoint)•Identify and analyze the causes and effects of global warming based on the earlier slides.• Undertake separate activities pertaining to global warming using ICT tools.

Concepts on Global Warming through Animation

http://www.bbc.co.uk/climate/evidence/greenhouse_effect_img2.shtml

INDIA: Dokriani Glacier retreated 66 ft

despite of 1998 winter

TAIWAN: YEAR 2000 was the warmest

temperature

INDONESIA: Malaria spreads to Higher elevations.

PHILIPPINES:Coral Reef Bleaching

CANADA: Crumbling of

permafrost

ANTARTICA:Penguin population decline by 33%; collapse of ice shelf

RUSSIA: ShorterFreezing period and wildfires

threaten tiger habitat

CHINA: Disappearing lakes

AFRICA:Flourishing of mosquitoes

COSTA RICA:Disappearing toads

and frogs in MontaverdeCloud Forest

ARGENTINA: Increase in population of pearlworts and hairgrass

PAKISTAN: Longest drought

(1999-2001)

Accumulation in the atmosphere that in sufficient concentration, endanger

human health or other measured effects on living matter and other materials.

GasGas Annual Annual increasincreas

e e (percen(percen

t)t)

Life Life Span Span

YearsYears

Relative Relative GreenhousGreenhous

ee

EfficiencyEfficiency

Principal Principal Source Source

Carbon DioxideCarbon Dioxide 0.40.4 11 11 Coal, oil, Coal, oil, natural gas, natural gas, deforestationdeforestation

ChlorofluorocarbChlorofluorocarbonsons

55 75-75-111111

15,00015,000 Foams, Foams, aerosols, aerosols, refrigerants, refrigerants, solventssolvents

MethaneMethane 11 1111 2525 Wetlands, Wetlands, rice,fossil rice,fossil fuels, livestockfuels, livestock

Nitrous oxideNitrous oxide 0.20.2 150150 230230 Fossil fuel, Fossil fuel, fertilizers, fertilizers, deforestationdeforestation

Major Greenhouse Gases and Their Characteristics

Source: World Watch Institute, US EPA Journal of Geophysical Research

CITYCITY SOSOxx PPMM

PbPb COCO NONO OO33

BeijingBeijing

LondonLondon

Los AngelesLos Angeles

ManilaManila

New YorkNew York

TokyoTokyo

HIGH POLLUTION

MODERATE – HEAVYPOLLUTION

LOW POLLUTION

NO DATA AVAILABLE

Pollution Produced by Some of the World’s Largest Cities

Source: Nagle, G. and K. Spencer. 1997. Sustainable Development. Hodder and Stoughton, Great Britain.

Plant a treeA single tree will absorb one ton of carbon dioxide over its lifetime.

Shade provided by trees can also reduce your air conditioning bill by 10 to 15%.

Use a clothesline instead of a dryer whenever possibleYou can save 700 pounds of carbon dioxide when you air dry

your clothes for 6 months out of the year

Be sure you’re recycling at home You can save 2,400 pounds of carbon dioxide a year by recycling

half of the waste your household generates.

Buy organic foods as much as possibleOrganic soils capture and store carbon dioxide at much higher levels than

soils from conventional farms. If we grew all of our corn and soybeans organically, we’d remove 580

billion pounds of carbon dioxide from the atmosphere!

Reduce the number of miles you drive by walking, biking, carpooling or taking mass transit wherever possible

Avoiding just 10 miles of driving every week would eliminate about

500 pounds of carbon dioxide emissions a year!

Eat less meat Methane is the second most significant greenhouse gas and cows

are one of the greatest methane emitters. Their grassy diet and multiple stomachs cause them to produce

methane, which they exhale with every breath.

Activity 1: PODCAST using AUDACITY

Instructions: Working with partner (2-4), create a digital recording that explores one of the topics below:

• The important facts about Global Warming

• The causes and effects of Global Warming

• Alternative methods and solutions on how to control Global Warming

Microsoft Excel Worksheet

Click the icon for the Rubric

on Podcast using Audacity

Procedures:

1. Each group will create a structure and script for the podcast based on the chosen topic.

2. With your partner identify several points you wish to include keep in mind that your podcast has a five – minute limit.

3. Deliver the podcast in a conversational style. You may work from notes or use a prepared text. But the delivery should sound conversational not like a text being read. Practice, record, listen and monitor your delivery on the recording. Record again.

4. You should edit out unwanted pauses or small errors.

5. When the podcast has been recorded to your satisfaction export the file. Windows users, Windows users choose File>”Export as MP3.”

Requirements:

1. Your podcast must be 4-5 minutes. Each person should speak approximately half the time.

2. Introduce yourselves in your group number at the beginning of the podcast and name yourselves again at the very end. Be sure to introduce the topic near the beginning of the recording. At the end give a brief summary and state your names again.

3. The final MP3 file that you submit should include the names of the group members.

Microsoft Excel Worksheet

Click the icon for the Rubric

on Weblog

ACTIVITY 2: WEBLOG

http://hafearonblog.wordpress.com/2008/10/12/a-bit-more-ideas/

Microsoft Excel Worksheet

Click the icon for the Rubric

on Weblog

ACTIVITY 3: CONCEPT MAP using CMAPTools

Instructions: Create a Concept Map using CMAPTools :

1. Each group will construct concept map based on the lecture presented earlier on:a. Causes and Effects of Global Warming.b. Alternative methods and solutions on how to control Global Warming.

Click the icon for the Rubric

on Concept Map

Microsoft Excel Worksheet

Adobe Acrobat Document

Click the icon for the Instruction

on How to construct a Concept Map

References:

Journal:

World Watch Institute, US EPA Journal of Geophysical Research

Websites:

http://www.bbc.co.uk/climate/evidence/greenhouseeffect_img2.shtmlhttp://hafearonblog.wordpress.com/2008/10/12/a-bit-more-ideas/http://lonline.nie.edu.sg/webapps/login/http://environment.about.comhttp://news.bbc.co.uk/2/hi/science/nature/portal/climate_change/default.stmhttp://edition.cnn.com/CNNI/Programs/eco.solutions/http://audacity.sourceforge.net/download/.http://cahe.nmsu.edu/employee/podcasting/parts-of-a-podcast.htmlhttp://www.cite.nie.edu.sg/launch/etsupport/Guides/Audacity/HowtoexportyouraudioclipasMP3fileformat.pdfhttp://www.uclick.com/client/wpc/bs/RUBISTARHTTP://RUBISTAR.4TEACHERS.ORG/INDEX.PHP

Nagle, G. and K. Spencer. 1997. Sustainable Development. Hodder and Stoughton, Great Britain.