2. 💧 water
pollution
⭐What is water pollution
?
■ Major types of
pollutants , sources and
effects Point and nonpoint
sources Is the water safe
to drink ? H H
➖Types, effects
and sources
8. Solutions
water pollution
-- Prevent groundwater contamination
• Greatly reduce nonpoint runoff •
Reuse treated wastewater for irrigation
• Find substitutes for toxic pollutants •
Work with nature to treat sewage
Practice four R's of resource use (
refuse , reduce , recycle , reuse )
• Reduce resource waste Reduce air
pollution
• Reduce poverty • Reduce birth rates
What can you do?
Water pollution
-- Fertilize your garden and yard plants with
manure or compost instead of commercial
inorganic fertilizer .
• Minimize your use of pesticides
. • Never apply fertilizer or pesticides near a
body of water .
• Grow or buy organic foods .
* Compost your food wastes
. * Do not use water fresheners in toilets .
Do not flush wanted medicines dow the
toilet . - Do not pour pesticides , paints ,
solvents , oil , antifreeze , or other products
containing harmful chemicals down the
drain or onto the ground . 3 - T
9. 🌟Drinking water Quality✨
♒■ Purification of urban drinking water
♒■ Purification of drinking water in developing
countries
♒ ■ Bottled water
10.
11. 🔊Sound
➡• Sound is a vibration
that propagates as a
mechanical wave of
pressure and
displacement , through
some medium ( i.e. air or
water )
➡ . • Sound refers to only
those vibrations with
frequencies that are
within the range of
hearing for humans
12. ▶What Is
Noise pollution
❓
💠Any unwanted sound that
penetrates the environment is
noise pollution .
💠In general noise pollution
refers to any noise irritating to
one's ear which comes from an
external source
13. 📳Sources of Noise Pollution
➖ • Household Sources
➖• Social Event
➖ ● Commercial and Industrial
Activities Transportation
14. ...Air pollution
💨
➡▶What Is Air Pollution ??
➖ Air pollution is the
introduction of chemiclas ,
particular matter , or biological
materials that cause harm to
discomfort to humans or other
living organisms , or cause
damage to the natural
environment or built
environment , into the
atmosphere .
15. 🌟 . Types Of Air Pollution ●
➖• There are several types of air pollution , mainly Indoor Air Pollution and Outdoor Air Pollution These include . .
smog , acid rain , the green house effect and hole in ozone layer
➖. One type of air pollution is the release of particles into the air
➖. • Another type of air pollution is the release of poisonous gases .
16. • It is caused when pollutant
combines with droplets of water
in the air .
• The effects of acid rain on the
environment can be serious .
