Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system”...

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Global Warming II

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Transcript of Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system”...

Page 1: Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system” breaks down. Example: Polar ice reflects sunlight. If this.

Global Warming II

Page 2: Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system” breaks down. Example: Polar ice reflects sunlight. If this.

Warming and the Poles• Typically, our poles serve to cool

the Earth.

• If the poles begin to warm, our “cooling system” breaks down.

• Example: Polar ice reflects sunlight. If this ice melts, the sunlight isn’t reflected and Earth will warm even more. This is called a positive feedback.

Page 3: Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system” breaks down. Example: Polar ice reflects sunlight. If this.

Warming and the Arctic• Arctic sea ice is melting• The year tends to be warmer• More insects• More trees with insect infestations• Disruption to animal cycles and patterns

(polar bear)• Thawing permafrost= building collapse• More trees grow, which absorb CO2,

this could cause less warming. This is an example of a negative feedback.

Page 4: Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system” breaks down. Example: Polar ice reflects sunlight. If this.

Warming and the Antarctic• Ice around Antarctica has actually

been increasing slightly• Possibly due to the isolation of

Antarctica due its wind/ocean currents

• Cold air flowing off of the land keeps this region colder as well

• What will happen in the future??

Page 5: Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system” breaks down. Example: Polar ice reflects sunlight. If this.

Warming and Flooding Concerns• If ice begins to melt, sea level will

rise anywhere from 6 inches to nearly 2 feet.

• Coastal cities may flood

• Increased storm surge damage

• Freshwater drinking sources affected

Page 6: Typically, our poles serve to cool the Earth. If the poles begin to warm, our “cooling system” breaks down. Example: Polar ice reflects sunlight. If this.

WHAT DOES THE FUTURE HOLD???


Shakti Poles Pvt. Ltd., Ahmedabad, Steel Tubular Poles

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