presentation e-twinning

1. Climate change,Climate change,
GreenhouseGreenhouse--EffectEffect
&&
Global WarmingGlobal Warming

2. What is climate change?What is climate change?
►►SSignificantignificant change of the averagechange of the average
temperatures with a more frequenttemperatures with a more frequent
occurrence of extreme weather events.occurrence of extreme weather events.

3. Important words to knowImportant words to know
►►ClimateClimate
►►WeatherWeather
►►GreenhouseGreenhouse

4. How does GreenhouseHow does Greenhouse--
effect workeffect work
►► 1)1) Solar radiations passSolar radiations pass
through atmosphere.through atmosphere.
►► 2) Most of the radiations is2) Most of the radiations is
absorbed by surface of theabsorbed by surface of the
earth, warming it.earth, warming it.
►► 3) From the surface of the3) From the surface of the
earth are emitted infraredearth are emitted infrared
radiations.radiations.
►► 4) Some of these infrared4) Some of these infrared
radiations pass through theradiations pass through the
atmosphere but others areatmosphere but others are
absorbed and reabsorbed and re--emitted in allemitted in all
directions by greendirections by green--house gashouse gas
molecules.molecules.

5. CausesCauses
►►Natural events:Natural events:
►►heat wavesheat waves
►►earthquakesearthquakes
►►TsunamisTsunamis
►►too much or too less raintoo much or too less rain

6. CausesCauses
►►Events caused by humans:Events caused by humans:
►► too much electricity usagetoo much electricity usage burning fossil fuelburning fossil fuel
air pollutionair pollution
►►Solution:Solution: turn off electric devices when you donturn off electric devices when you don’’tt
useuse
►►aftermath:aftermath:
change of seasonschange of seasons

7. EffectsEffects
►►Rising sea levelsRising sea levels
►►Extreme weatherExtreme weather
►►Distortion of natural habitats andDistortion of natural habitats and
ecosystemsecosystems
►►Confusion of theConfusion of the
water cyclewater cycle

8. FactsFacts
►►Rising global temperaturesRising global temperatures
►►Amount of CO2 is increasingAmount of CO2 is increasing
►►Ocean acidificationOcean acidification
►►Melting GlaciersMelting Glaciers
►►10 hottest years: since 200010 hottest years: since 2000

9. What can I do?What can I do?
►►Go by bus!Go by bus!
►►Walk! DonWalk! Don’’t drive.t drive.
►►Ride! DonRide! Don’’t drive.t drive.
►►Protect and plant trees.Protect and plant trees.
►►Recycle, reduce and reRecycle, reduce and re--use items.use items.

10. What else can be done?What else can be done?
►►Be activeBe active!!
►►LearnLearn about the problemabout the problem
►►ShareShare your knowledgeyour knowledge
►►Take partTake part and help stop Global Warmingand help stop Global Warming

11. GO AND SAVE OUR EARTH!GO AND SAVE OUR EARTH!

12. Made by TES-Association members