to be able to reduce itself to nothing organically.
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15
What is 'the greenhouse effect'?
the natural process by which the sun warms the surface of the Earth
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15
What does 'to take action on global warming' mean?
to try to solve the problems related to global warming
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What is a 'carbon footprint'?
a measure of the amount of carbon dioxide that is produced by the daily activities of a company or person
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15
What are 'wind farms'?
an area of land on which there are a lot of windmills or wind turbines for producing electricity
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15
What does 'to cut down on emissions' mean?
to reduce the amount of gases sent out into the air
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What does 'ozone layer depletion' mean?
a steady decline in the total amount of ozone in the Earth's atmosphere
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15
What is the 'green movement'?
all the organisations concerned with the protection of the environment
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15
What does 'environmentally friendly' mean?
behavior or products that do not harm the environment
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15
What are 'rising sea levels'?
The effect of global warming melting the polar ice caps and increasing the volume of water in Earth's oceans.
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15
What are 'renewable energy sources'?
These are energy sources that can never disappear, like wind, hydro, and solar.
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15
What is 'habitat destruction'?
the process that occurs when a natural habitat, like a forest or wetland, is changed so dramatically by humans that plants and animals which live there.
