Презентация на тему по экологии на английском языке

has served the Man, being the source of his

life. For thousands of years people lived in harmony with environment and it seemed to them that natural riches were unlimited. But with the development of civilization man's interference in nature began to increase.

appear all over the world today

about 1000 million tons of dust and other harmful

substances. Many cities suffer from smog.

we breathe, the water we drink, the land we

grow grain and vegetables on.

or international level by government organizations.
The largest international agency,

set up in 1972, is the United Nations Environment Programme . The International Union for Conservation of Nature brings together 83 states, 108 government agencies, 766 Non-governmental organizations and 81 international organizations and about 10,000 experts and scientists from countries around the world. International non-
governmental 
organizations include   Greenpeace ,  Friends of the Earth  and  World Wide Fund for Nature . Governments enact environmental policy and enforce environmental law and this is done to differing degrees around the world

the effect of environmental issues. There is now clearscientific

evidence that humanity is living unsustainably, and that an unprecedented collective effort is needed to return human use of natural resources to within sustainable limits. For humans to live sustainably, the Earth's resources must be used at a rate at which they can be replenished.
Concerns for the environment have prompted the formation of Green parties, political parties that seek to address environmental issues. Initially these were formed in Australia, New Zealand and Germany but are now present in many other countries.

nature, to save the life on the planet not

only for the sake of the present but also for the future generations.

on man for his actions