Matching Pairs The Causes and Effects of Climate ChangeOnline version Matching the words with their definitions. by LAURA MICHELLE JIMENEZ PAZMINO 1 Excess 2 Atmosphere 3 Carbon dioxide 4 Climate change 5 Fossil fuels 6 Drought 7 Ecosystem 8 Greenhouse gas a long-term change in the average weather patterns that have come to define Earth's local, regional and global climates. an area where certain plants and animals live and interact. made from decomposing plants and animals. a gas that traps heat from the sun, too much of something. the layer of gas that surrounds the Earth, a long period of time without rain. a heavy colorless gas that is formed by burning fuels.