Презентация, доклад по английскому языку на тему Переработка отходов

You can break up old cars to get the metal, or make new glass from old bottles.Some waste is not dangerous. Often somebody will recycle it and do something useful with it.

Слайд 1Recycling

Recycling

Слайд 2You can break up old cars to get the metal, or

make new glass from old bottles.

Some waste is not dangerous.

Often somebody will recycle it and do something useful with it.

You can break up old cars to get the metal, or make new glass from old bottles.Some

Слайд 3But some waste is toxic – it is very poisonous.
In the

USA, for example, factories dump – throw away – 265 million tonnes of toxic waste every year.

How do you dump toxic waste safely?

But some waste is toxic – it is very poisonous.In the USA, for example, factories dump –

Слайд 4You can put it in metal containers and leave it somewhere

safe.

You can bury toxic waste. You put it in a deep hole and cover it with soil. But this can be very bad idea

Because the waste will start to come through the metal of the containers and pollute the ground.

You can put it in metal containers and leave it somewhere safe.You can bury toxic waste. You

Слайд 5You can burn toxic waste, but it is more expensive than

burying it, and the burning can produce dangerous gases.

So some people burn their toxic waste at sea in special ships. The chemicals get into the air and the wind carries them a long way.

You can burn toxic waste, but it is more expensive than burying it, and the burning can

Слайд 6You can send your toxic waste to a poorer country and

pay somebody to burn or bury it there.

Is this a good idea?

You can send your toxic waste to a poorer country and pay somebody to burn or bury

Слайд 7Toxic waste can be useful if you know how to recycle

it.

Some petrol producers bury their toxic waste in the soil. There, special bacteria in the soil eat the waste and change it into clean, safe carbon dioxide and water.

Toxic waste can be useful if you know how to recycle it.Some petrol producers bury their toxic

Слайд 8In Britain, some people are growing special waste-eating bacteria. These bacteria

eat toxic chemicals.

There is a lot of toxic waste in the world: are these bacteria hungry enough?

In Britain, some people are growing special waste-eating bacteria. These bacteria eat toxic chemicals. There is a

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