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