COMMENT 3: POLLUTION
Pollution consists of harmful substances to people. They are in air, soil and water. It is harmful because we all need clean air to live, if we breathe polluted air we can get sick, not only people but also plants and animals.
An element that pollutes a lot is the smoke expelled by all the cars in the cities, especially trucks and buses. Very old vehicles should also be removed from circulation because they pollute and smell badly and cause people to cough.
Water in rivers is full of rubbish that people throw, chemical substances from factories and can no longer be used for drinking or cooking.
What should we do to avoid this?
-We must control the smoke released by factories and automobiles.
-Use the bike more often and walk as much as possible.
-We must be more ecological
-We must prevent harmful substances from entering the rivers and seas.
Pollution is leading to global warming and new diseases.
I think that contamination, if it is not solved, could at least be reduced if each of us showed a little interest.
Francisco José Prados Espinosa 4ºA
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