catching too many fish in an area of the sea, so that there are not many fish left there
Endangered species
a type of animal or plant that might stop existing because there are only a few of that type alive
Acid Rain
rain that contains large amounts of harmful chemicals as a result of burning substances such as coal and oil
Solid waste
A material that has already done its job or fulfilled its mission is discarded as waste.
Untreated sewage
Wastewater disposed of in a surface current (lakes, rivers, sea) without any treatment, causes serious pollution problems that affect flora and fauna.
Endangered species
a type of animal or plant that might stop existing because there are only a few of that type alive
Fossil fuel
Fossil fuel
Greenhouse gas
a gas that causes the greenhouse effect, especially carbon dioxide
desert
an area, often covered with sand or rocks, where there is very little rain and not many plants
climate change
changes in the world's weather, in particular the fact that it is believed to be getting warmer as a result of human activity increasing the level of carbon dio
Country
Country an area of land that has its own government, army, etc
Expanding
to increase in size, number, or importance, or to make something increase in this way
.Planet
an extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star
Deforestation
the cutting down of trees in a large area, or the destruction of forests by people
harmful substances in the air, often consisting of waste from vehicles or industry
harmful substances in the air, often consisting of waste from vehicles or industry
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