acid rain - rain that contains chemicals from pollution and that damages plants and other things it falls on, climate change - changes in the world’s weather, as a result of human activity, coastal erosion - the loss or displacement of land along the coastline, greenhouse gas - gas that causes the greenhouse effect, noise pollution - sounds, such as those from traffic, that are considered to be unhealthy, oil spill - an accident in which oil has come out of a ship, overfishing - catching too many fish in an area of the sea, so that there are not many fish left there, toxic waste - unwanted material in all forms that can cause harm, waste disposal - the act of getting rid of something that is not wanted or needed,

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