THE PROTECTION OF NATURE

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Since ancient times Nature was the source of people's life. For thousands of years people lived in harmony with environment and they thought that natural riches were unlimited. The development of civilisation increased man's harmful interference in nature.

Large cities with thousands of smoky industrial en­terprises pollute the air we breathe and the water we drink. Every year world industry pollutes the atmosphere with about 1000 million tons of dust and other harmful substances. Many cities suffer from smog. Beautiful old forests disappear forever. Their disappearance upsets the oxygen balance. As a result some rare species of animals, birds, fish and plants disappear forever, a number of lakes and rivers dry up.

The pollution of air and destruction of the ozone layer are the results of man's attitude towards Nature.

The protection of the environment is a universal con­cern. We must be very active to create a serious system of ecological security.

Words

ancient — древний

source — источник

natural riches — природные богтства

harmful interference — вредное воздействие

to increase — увеличиваться

industrial enterprises— промышленные предпри­ятия

to pollute— загрязнять

substances — вещества

suffer — мучаться

toupset — зд. нарушать

rare— редкий

to dryup — высыхать

ozone layer— озоновый слой

attitude— отношение

universal concern— всеобщая забота