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environment
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coastal waters
Many bays and coastal waters have been contaminated with heavy metals.
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to ail
The huge trees had been ailing for years before they were cut down.
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disposal
Unfortunately, fewer people know of the disposal of hazardous waste.
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to combat
There should be stricter laws to combat air pollution.
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to erode
It took about 67,000 years to erode the Grand Canyon.
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exhaust fumes
Over the past month officers have been stopping vehicles in Manchester to test exhaust fumes.
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environmentalist
Environmentalists are people who love the natural world.
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the polar ice caps
If the polar ice caps melt, the ocean levels rise.
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to diminish
The people try to diminish the pollution of the water.
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biodiversity
What about an evening stroll to look at the biodiversity in our park?
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sewage plant
The city needs to have a sewage plant.
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catalytic converter
Since 1993 catalytic converters have been compulsory in Britain.
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to chop down
Poor people often chop down trees for firewood.
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to contaminate
The soil has been contaminated.
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famine
The Irish Famine of 1846-50 took as many as a million lives from hunger and disease.
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to dump
Old washing machines have been dumped near the beach.
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to menace
Hurricane Hugo menaced the US coast for seven days.
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to dry up, to parch
During the long time of drought many rivers have dried up/parched.
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precitipation
Rain, snow, hail and sleet are types of precipitation.
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oil slick
Large oil slicks were found near the coast.
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