GLOBAL WARMING
description
Transcript of GLOBAL WARMING
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GLOBALGLOBAL WARMINGWARMING
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What is global warming?
GLOBAL WARMING is the increase of the
Earth’s average surface temperature due to a build-up of greenhouse gases in the atmosphere.
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How Global Warming Works
Fossil fuels (coal, oil, natural gas)
Carbon Dioxide (CO2)
Greenhouse gases
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CAUSES OF GLOBAL
WARMING
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Pollution from coal, natural gas, and oil
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CO2 from
airplanes & vehicles
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POPULATION POPULATION INCREASE INCREASE
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DEFORESTATIODEFORESTATIONN
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Increased CO2
results in
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The Sun’s energy passes through the car’s windshield.
This energy (heat) is trapped inside the car and cannot pass back through the windshield, causing the inside of the car to warm up.
Example of the Greenhouse Effect
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Melting of glaciers
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Polar Bear Extinction
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Warmer waters and more hurricanes
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Increased probability and intensity of droughts and heat waves
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Increased Temperature
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Major CONSEQUENCE of
global warming is………….
GUESS WHAT !!
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SOMEWHERE
it’s tooo…….ooo
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HOT
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WHEREAS At others tooo…..
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COLD
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Its all because of Its all because of
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GLOBAL WARMING
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WHO Is THE CULPRIT??????
WHO Is THE CULPRIT??????
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WE are the ones causing ItWE are the ones causing It
BUT…….BUT…….
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WE needWE need PROOF
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SO Here’s the PROOF SO Here’s the PROOF
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PICTURE OF GLACIERS
50 YEARS AGO
PRESENT CONDITIONS OF GLACIERS
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Colorado River• Arizona
June 2002 Dec 2003
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DON’T CRY
DON’T CRY
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JUST DO…………JUST DO…………
thesethese
Follow the arrow…..
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Spread awareness
Spread awareness
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Turn off your computer or Turn off your computer or the TV when you’re not the TV when you’re not using it.using it.
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Turn off the lights when you leave a room. Turn off the lights when you leave a room.
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IncandescentCompact
Fluorescent
500 lbs. of coal
•1,430 lbs. CO2 pollution avoided
•$30 saved
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Dress lightly when it’s hot instead Dress lightly when it’s hot instead of turning up the air of turning up the air conditioning.conditioning.
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Plant trees. Plant trees.
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Recycle.Recycle.
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Drive LESS, drive SMART
Use a Use a bicyclebicycle or or busbus
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AND….
Have Faith Have Faith on……………on……………
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Wind Power
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Solar Power
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Fuel efficient cars
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It’s NOT too LATE
ACT NOW!!!!
It’s NOT too LATE
ACT NOW!!!!
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GLOBAL GLOBAL WARMINGWARMING
Presented by- Archit Goel
Class - X1 A
Presented by- Archit Goel
Class - X1 A