к экзамену / Introduction

Introduction

From first steps of development man close connected with the natural. Human always was in dependence from flora and fauna, from their resources such as fish, birds, animals, plants.

The term “ecology” is consisting of two terms: “ecos” that mean home and “logos” that mean doctrine. As a whole “ecology” mean “a science about habitat”.

Today human is on verge of the world ecological accident. Ecological problems is result of industrialization our civilization. All of this began in 1860 year, when industry has up on a new level.

Environment problems possible decided into four groups:

• Water pollution is presence in water of any harmful substances from public water, industry, recreation.

• Soil pollution is presence in soil of any harmful substances from human.

• Noise pollution is a sound in wrong time and wrong place.

• Air pollution is presence in air of any harmful substances from human. For example carbon, dust, dioxide and others.