C6.3.3 - Climate Change Flashcards

1
Q

What is the greenhouse effect?

A

Greenhouse gases absorb infrared radiation radiated by the Earth’s surface, and emit it in all directions

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2
Q

Why is the greenhouse effect important for the Earth?

A

It allows us to live on the Earth without freezing to death

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3
Q

How is methane released into the atmosphere?

A

Rice paddy fields
Cattle
Use of natural gas

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4
Q

What is the reason for the enhanced greenhouse effect?

A

Human (anthropogenic) activities

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5
Q

What has the enhanced greenhouse effect led to?

A

Melting of ice caps and rising of sea levels

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6
Q

What are the effects of climate change?

A

Altered weather patterns
Flooding
Farming issues
Disease control

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7
Q

How can we reduce greenhouse gas emissions?

A

Using biofuels
Using renewable energy
Using carbon capture

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8
Q

What does carbon capture do?

A

Prevents carbon dioxide from leaving the atmosphere after fuels are used

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9
Q

Why is it hard to stop greenhouse gas emissions?

A

The alternatives are very expensive

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10
Q

What are some physical barriers you can use to combat climate change?

A

Flood barriers

Buildings which can withstand high winds

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