4. Pollution is an unwanted change caused in air water
and a soil by humans and human activities.it is caused
due to dumping or adding of unwanted substances.
Such dumping in the long run changes the quality of
air water soil and ecological systems Pollution has
been around for along time
5. There are 6 types of pollution-
• Air pollution
• Land pollution
• Water pollution
• Noise pollution
• Radiation pollution
• Thermal pollution
6. •
Land pollution Water pollution Air pollution
Noise pollution Radiation pollution Thermal pollution
18. Our environment is totally polluted
,hence we are suffering from
diseases, we are drinking polluted
water .inhaling dusty air and so
on...As a result of all human activity
there is ozone hole, sea is rising, ice
caps on Antarctica are melting. Now
the global warming is warning is so
fast that there is a climate change.
The mother earth is non in danger,
the life on it is in danger. Let us come
together to save our life giving and
life saving mother earth due
28. • Growing more trees helps in maintaining
the ecological balance of nature..
• Climate control is obtained by
moderating the effects of sun, wind, and
rain
• We are cooler when we stand in the
shade of trees and are not exposed to
direct sunlight
• Wind speed and direction can be affected
by trees.
• The larger the tree, the greater the
cooling.
