презентация по теме "Защита окружающей среды"
презентация урока для интерактивной доски (7 класс) на тему

65% world's rivers are in danger
, they are polluted by people as they
throw out dust into the rivers
Rivers and seas are suffers from dumping waste products from factories
Pre-reading stage (matching task)

Match the words with their definitions

To recycle
 
To reduce
 Waste
 
To treat
 
 
To reuse
 
 
To mine
 
To threw away
 
to dig into (the earth) for minerals
 
to pass (a substance) through a system again for further treatment or use
 
 
garbage, rubbish, or trash
 
to deal with or regard in a certain manner
 
to make or become smaller in size, number, etc.
  
 
to use again
 
waste material or used articles, especially metal
Every
year world industry pollutes the atmosphere with about 1000 million tons of dust and other harmful substances. Many cities suffer from smog.
Questions :
How do we call our Planet?
Who is responsible for the Planet’s destroying?
What is the main reason of warming?
What extreme weather changes did you hear?
Name kinds of pollution which are announced.
Name other consequences of human impact
(влияние)
What should we do to spot GLOBAL WARMING?
WHAT IS ECOLOGY?
What is environment?
Vast forests are cut and burn in fire. Their
disappearance upsets the oxygen balance.
As a result some rare species of animals,
birds, fish and plants disappear forever,
a number of rivers and lakes dry up.
What is the consequence of human impact on the ecology?
What is the main danger that waits for people?
Global WARMING
The main ecological problems
Air pollution
Water pollution
Soil pollution
Noise pollution
There is much noise in the big cities because of air jets, city transport and different vehicles.
The railways change the
relief of our land.
Since ancient times Nature has served 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.
Oil pollution is of high concern now as
b
ig tankers
emit tons of oil into the sea water. Wild life suffers
from this pollution, many new “monsters” appear.