water pollution 水污染、环境保护(有相应演讲稿)
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2. Watch out what you are throwing
Never throw oil, paints, litter and things like that into the sink or the toilet.
Take your car for regular servicing.
Man-made pollution
Daily life sewage
Sewage often contain feces and the waste from chores.
Agriculture
Pesticides and fertilizers.
Simple Steps to Prevent Water Pollution
LOGO
Water pollution
--Nine
www.themegallery.com
Contents
The Significance of Water
Phenomenon The cause of Water Pollution Discussion Conclusion
No water, no creatures !
LOGO
www.themegallery.com
Improvements to sewage treatment systems
Water is the source of life, but it is not inexhaustible. If we do not take action now, the last drop of water in the world would be our tear!
1.Save water
For example: Turning the water-pipe off when washing dishes or brushing your teeth. Do not use the washing machine when the load is not high. Using a mop or cloth to wash the yard. ……
3.Go easy on the chemicals
Pesticides and fertilizers are really harmful and poisonous when mixed with water.
More solutions…
Reducing air pollution
Changes to agricultural practices
Sweet memories
When we were children……
How I wish the time could return!
But now…!
the Cause of Water Pollution
Three main causes
Industrial wastewater
Emission of insolvent materials proves to be fatal.
2. Watch out what you are throwing
Never throw oil, paints, litter and things like that into the sink or the toilet.
Take your car for regular servicing.
Man-made pollution
Daily life sewage
Sewage often contain feces and the waste from chores.
Agriculture
Pesticides and fertilizers.
Simple Steps to Prevent Water Pollution
LOGO
Water pollution
--Nine
www.themegallery.com
Contents
The Significance of Water
Phenomenon The cause of Water Pollution Discussion Conclusion
No water, no creatures !
LOGO
www.themegallery.com
Improvements to sewage treatment systems
Water is the source of life, but it is not inexhaustible. If we do not take action now, the last drop of water in the world would be our tear!
1.Save water
For example: Turning the water-pipe off when washing dishes or brushing your teeth. Do not use the washing machine when the load is not high. Using a mop or cloth to wash the yard. ……
3.Go easy on the chemicals
Pesticides and fertilizers are really harmful and poisonous when mixed with water.
More solutions…
Reducing air pollution
Changes to agricultural practices
Sweet memories
When we were children……
How I wish the time could return!
But now…!
the Cause of Water Pollution
Three main causes
Industrial wastewater
Emission of insolvent materials proves to be fatal.