[challenge:future] the global air pollution
TRANSCRIPT
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The global air pollution
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Do you know what’s hidden in the sky?
• Greenhouse effect
• Ozone depletion
• Acid rain
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They are killers!
• The greenhouse effect causes global warming.
• Some animals lose their homeland.
Help me!
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The ozone layer can protect us from cosmic rays.
Ozone depletion
But now!It has holesIf we lose the protection, we will...
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Acid rain
• Corrodes buildings
• Withers trees
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The reasons
Factories and automobile exhaust are the major reasons. With the rapid development of country industry, the increasing of population, the increasing of cars, air pollution becomes a profoundly problem.
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There are...
Freon
Industrial waste gas
Automobile exhaust
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What can we do?
Energy saving Nurturance was out of the room to turn off the lights
habit. Although this is simple, but daily life starts from things, this is very important.
standby power cuts Although turned off the TV , tape recorder, etc on
standby power supply.
water-saving After washing or rinsing your mouth, check the tap if it
stay open faucet.
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Recycling resourceSuch as newspaper ,beverage bottle.
Reduce trashThe best way to reduce trash is spring the items .
Regulating the appropriate indoor temperatureIndoor air conditioning summer 28 degrees or so, winter 21 or
so.
Use green traffic toolsTake bicycle or bus as possible as we can.
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