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Water Pollution

Watch the video and answer these questions:

1) Which are the main sources of water pollution?

2) Which kind of substances or agents can be considered contaminants?

3) Which effects can water pollution have on living organisms?

 

VIDEO TRANSCRIPTION

0:12 ever increasing problem in our society
0:14 is the introduction of pollutants into
0:17 our stormwater pollution of our
0:19 waterways occurs when foreign objects or
0:22 substances enter the drainage path
0:25 common trash such as cans bottles Cubs
0:28 cigarette butts and bags are a major
0:31 pollutant in stormwater runoff this
0:34 trash is all too commonly discarded on
0:37 our streets and then make their way into
0:39 our streams and rivers however it is not
0:44 just trash that we must concern
0:46 ourselves with our vehicles are another
0:49 major source of stormwater pollution
0:52 chemical pollutants such as oil
0:54 antifreeze detergents and cleansers can
0:58 enter into the drainage path causing
1:00 damage these chemicals flow into our
1:03 water systems and create a large threat
1:05 to the wildlife natural pollutants are
1:10 also a large cause of concern for the
1:12 pollution of our stormwater these
1:14 pollutants include such items as leaves
1:17 garden clippings and animal droppings so
1:21 why is stormwater pollution such a
1:23 serious problem sediment in the water
1:25 reduces the amount of light that
1:27 penetrates the water surface when this
1:30 occurs plants cannot get the energy they
1:32 need to grow when the plant waste decays
1:35 it takes up oxygen in the water the lack
1:38 of oxygen poses a major problem for the
1:40 survival of aquatic life bacterium can
1:44 also enter into our waterways posing a
1:46 serious health risk to people swimming
1:49 directly after a storm the majority of
1:52 time stormwater is directly deposited
1:54 into rivers or streams this runoff is
1:57 never processed by water treatment
1:59 facilities because of the non treatment
2:02 of stormwater it is very important to do
2:04 all that we can to stop pollutants from
2:06 entering into our waterways if we all
2:10 work together to ensure
2:12 that pollutants do not enter into our
2:13 stormwater the quality of life will be
2:16 better for everyone rivers lakes and
2:19 beaches will be cleaner and safer for
2:21 recreational activities the waterways
2:24 will be cleaner with less litter and
2:26 visible pollutants like common trap with
2:29 less being spent on filtering and
2:31 cleaning pollutants from the water the
2:34 financial benefits will be enormous and
2:36 more money will become available to make
2:38 the quality of our lives better
 

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