Green Glossary
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Climate change
Climate change is any long-term significant change in the average temperature, precipitation, and wind patterns that a given region experiences. It involves changes in the variability or average state of the atmosphere over time periods ranging from decades to millions of years. These changes can be caused by dynamic processes on Earth, external forces( including variations in sunlight intensity), and more recently by human activities. Climate change is important because it is an indicator to the impact humans are having on this planet.