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Scientists have recently discovered holes in the ozone layer, caused by chlorofluorocarbons (CFCs) and halons which are used in refrigerators and air conditioners.
The areas of largest ozone hole are Antarctica, South America, Australia, New Zealand.
How we can defuse the pollution of our Earth?
Ř Recycling: is a processing of used objects and materials so that they can be used again. Recycling saves energy and raw materials and also reduces damage to the countryside. Glass, paper and aluminium can all be recycled very easily.
Ř Alternative energy: most of the energy we use today comes from coal, oil and gas but nowadays we need to look for other ways of supplying energy – we can use solar power, wind power, water power or hydroelectric power.
There are several groups all over the world which try to protect the environment. The most famous group is Greenpeace. They have compaigned against hunting whales, pollution in the North Sea, nuclear power, testing nuclear weapons, and many other issues.
Another mimportant environmental group is Friends of the Earth. They have led compaigns against global warming, the destruction of the rain forest, and the hole in the ozone layer. There is also a Green Party, which is a political party in Britain.
The oldest is the National Trust which was set up in 1895 to protect parks, buildings and monuments in Britain.
Royal Society for the Protection of Birds.
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