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