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GW B1 unit 6 Voc
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a low area of land between mountains or hills, usually with a river flowing through it
valley
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an accident with nuclear power, usually causing radioactivity
nuclear disaster
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an accident when oil comes out of its container, for example at sea
oil spill
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a large area of land with few plants and little water and where the weather is always dry
desert
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The rise in temperature is called
global warming
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a long period of time when there is little or no rain and crops die
drought
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a forest in a tropical region of the world where it rains a lot
rainforest
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the process of damaging the air, water, or land with chemicals or other substances
pollution
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a situation in which a lot of water covers an area that is usually dry, especially when a river becomes too full
flood
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a long row of mountains
mountain range
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a large area of land covered by trees and other plants growing close together
forest
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melt
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the part of the Earth’s atmosphere which protects the earth from the sun
ozone layer
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to change waste materials such as newspapers and bottles so that they can be used again
recycle
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the process in which heat is unable to escape from the atmosphere and causes the temperature of the Earth to rise
greenhouse effect
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