Презентация на тему: Humans & the environment

Humans & the environment

Since ancient times nature has served man, being the source of his life. For thousands of years people lived in harmony with environment

But with the development of civilization man's interference in nature began to increase ...

Large cities with thousands of smoky industrial enterprises have appeared all over the world today.

The byproduct of their activity pollutes the air we breathe the land we grow grain the water we drink

And all the atmosphere

Vast forests are cut and burn in fire

As a result ...

Some species of animals,

birds, birds,

fish and plants

disappear forever ...

a number of lakes and rivers dry up

We faces many ecological problems

Air pollution

Land pollution

Greenhouse effect

Killing animals

The environment is so beautiful! We should preserve it!