Memory Game GPP 3/1 Unit 8Online version Climate Change vocab by Mary Anne Le Gall The trend of average temperatures increasing, due to natural or human activity. Fossil Fuels Greenhouse gases How the weather alters over time, either naturally or due to human activity. Substances that emit CO-2 when burned, notably oil, coal, and natural gas. Renewable energy Constituents of the atmosphere, such as CO-2, that contribute to global warming. The release of carbon dioxide into the atmosphere. Energy generated from inexhaustible sources, such as the wind or the sun. Global Warming CO-2 emissions Sea level The amount of greenhouse gas produced by a person, an organization or a state. Climate change The masses of ice over land and sea at the North and South Poles. Greenhouse effect The average height of the water in the oceans. Storage of the sun's heat in the atmosphere due to gases such as CO-2. Carbon footprint Polar Icecaps