The human race and nature

The environment is surrounding,inwhich people, animals, plants live together.
Our environment is in very bad state nowadays. The most serious ecological problems are pollution of air, wather and soil, greenhouse effect, ozone hole and acid rains and also dissapearance of many species of animals and plants.
Most of these damage has not been caused by natural catastrophies such as earthquake, floods or tornados but by people themselves.
Becouse of the technical progress and quick economic growte, there are changes in our environment and environment is becoming very polluted.