Environmental issue - Water Pollution


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  • How does the oil get into the water during an oil spill?
Millions of tonnes of oil that goes into the sea comes from the land. Most of the oil comes from used engine oil.Oil spills at sea are caused by:
1.Two tankers collide
2.fire or explosion
3.tankers run aground.

Some oil spills are caused by ships pouring waste oil in to the sea.

When tankers clean their cargo bay they pour oily waste into the sea.
  • What damage to the environmental does an oil spill cause?
Oil spills cause short and long term damage to the environment.external image 2371405.jpg
Some effects are:
* oil spills damage beaches, marshlands, and fragile ecosystems.
* oil spills kill bird.
* oil spills kill marine mammals.
* oil spills kill fish. oil spills destroy wildlife habitats and breedinexternal image Fig1.jpgg grounds.
  • What other things cause water pollution?
Some causes of water pollution include:
-oil and petrol from car and trucks.
-fertilisers that contain nitrates and phosphates.
-soil that washes away from fields and construction sites.
-sewage and other organic pollutants from leaves,animal waste and grass clippings.
-chemicals from homes and industy.
-plastic from bottles.
-litter such as cans, food wrappers and cigarette butts.
  • How do people fix water pollution?
Personal Action
how its helps
*Use chemical like
pesticides and
herbicides as little
as possible.
*Many pesticides
pollute water ways.
*Don`t dump garden
or lawn clipping near
water ways.
*Keeps water ways
clean.
*Give the garden a good
water once a week rather
than many times.
  • Deep water encourages
plants roots to grow deeper
and they seek water from
below.

*Try to plant native plants.
* Native plants require less
water, fertilizers,and
pesticides.

*Don't put rubbish or chemicals
into storm-water drains.
*Things put into the drains
flow into the waterways
and pollute.

*Avoid spilling oil and fuel into
the water when using boats
* Fuel and oil pollute waterways
and the ocean

* Buy detergents, washing
powders and cleaners
that are low in phosphates.
* Phosphates flow into the
sewage system and
increase treatment costs

* Ensure you place all your
rubbish in bins
provided or wait to place
in home bins.
* Rubbish goes into waterways
and creates
visual pollution.

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