Match the following environmental problems (1-4) with their description (А-Д). to overfish

greenhouse effect

overpopulation

waste disposal

to empty the stock of fish in a body of water by too much fishing

the contamination of water bodies (e.g. lakes, rivers, oceans, groundwater and aquifers)

when there are too much people in some area

the problem caused by increased quantities of gases such as carbon dioxide in the air

the action or process of throwing away waste materials