Ecological problems today презентация

Cutting down of trees
The United Nations Organization say, that the forest die in the world very quickly. Every year 13 millions hectare of the forests die, and 6 hectare of the forests appear.
It mean that every second the forest measuring a football field die.

Destroying of ozone layer
The hydrocarbons destroy structure of ozone layer. He thin and it bring to appear of the ozone hole.
The ultra-violet ray is danger for all alive being.

Reduction variety of wildlife
The scientific say, that 10-15 thousand of various animals disappear every year. The less variety of wildlife, the harder it is exist on the Earth.
It is necessary to expand the area of nature areas for save the rare kinds of animals.

Water pollution
Over the past decade many rivers and lakes have become the gutters.

Oil pollution
The oil pollution is a huge problem. The oil cause the poisoning and death of being.

Waste
The humanity is in front of problem utilization of waste today.
Every year 50 milliards ton of waste appear in the environment. This waste is a source of environmental pollution, but people may use its for the production of second production.