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