Matching Pairs Environmental mattersOnline version Match the words to their definition by Teacher Nadia Montañez 1 Natural resources 2 Drought 3 Environmental friendly 4 Energy-saving 5 Landfill 6 Global warming 7 Toxic chemicals 8 Air pollution 9 Biodegradable 10 Water consumption Things such as minerals, forests, coal, etc. that exist in a place and can be used by people. Any substance or mixture that may be harmful to the environment and to human health if inhaled, swallowed, or absorbed through the skin. The portion of water use that is not returned to the original water source after being withdrawn. Harmful substances in the air, often consisting of waste from vehicles or industry. Capable of being decomposed by bacteria or other living organisms. Relating to products, systems, etc. that use as little electricity, gas, etc. as possible. A long period when there is little or no rain. A gradual increase in world temperatures caused by gases such as carbon dioxide that are collecting in the air around the earth and stopping heat escaping into space. A place to dispose waste material by burying it and covering it over with soil, especially as a method of filling in or extending usable land. Not harmful to the environment. This term most commonly refers to products that contribute to green living or practices that help conserve resources like water and energy.