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Global Impact

TermDefinition
Climate change Any change in Earth’s climate, including global trends in warming, cooling, precipitation, wind directions, and other related measures
Global warming An increase in the average temperature of Earth’s surface
Trade winds Winds that reliably blow east to west just North and South of the equator
El Niño Periodic shift when the trade winds weaken, causing ocean currents in the Pacific to be warmer than normal
La Niña Periodic shift when the trade winds strengthen, causing ocean currents in the Pacific to be cooler than normal
Volcanoes An opening in the earth's crust through which lava, volcanic ash, and gases escape
Greenhouse gas A gas in the atmosphere that absorbs Earth’s outgoing infrared radiation
Carbon Cycle The exchange of carbon that flows among Earth’s systems
Deforestation The removal of large areas of forests for human purposes
Urbanization The development of towns and cities on previously natural areas
Fossil fuel A natural substance formed from the buried remains of ancient organisms that can be used as a source of energy
Glacial Lasting cold periods when glaciers and ice sheets cover much of Earth
Interglacial The warm periods that occur between ice ages
Photosynthesis The process by which plants use sunlight, water, and carbon dioxide to create oxygen and sugar (glucose)
The Greenhouse Effect A natural process where certain greenhouse gases in the Earth's atmosphere trap heat from the sun, warming the planet's surface
Respiration The process of breathing in oxygen and breathing out carbon dioxide
Ocean gas exchange Surface waters exchange gases with the atmosphere, absorbing and releasing carbon dioxide, oxygen, and other gases
Decomposition The process where dead plants and animals, buried underground for millions of years, break down and transform into energy-rich substances like coal, oil, and natural gas
Emissions The release of carbon dioxide (CO2) into the atmosphere from human activities like burning fossil fuels
Consumption The act of using, eating, or drinking
Created by: anjali.soni
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