Definition
Global warming refers to the long-term increase in Earth’s average temperature due to human activities, particularly the emission of greenhouse gases.
Expanded Explanation
Global warming is a significant aspect of climate change, a broader term that also includes changes in weather patterns, precipitation, and wind. It’s primarily caused by human activities, specifically the emissions of greenhouse gases such as carbon dioxide and methane.
Causes of Global Warming
The main cause is the increase in greenhouse gases in the Earth’s atmosphere. Human activities, such as burning fossil fuels for electricity, heat, and transportation, and deforestation, contribute significantly to these emissions. These gases trap heat from the sun, causing the Earth’s average temperature to rise, a phenomenon known as the greenhouse effect.
Impacts of Global Warming
It has serious implications for the planet. Rising temperatures can lead to melting ice caps and glaciers, rising sea levels, more intense and frequent extreme weather events, changes in agricultural productivity, and loss of biodiversity.
Examples
- Example 1: The melting of polar ice caps due to rising global temperatures is a direct impact of global warming.
- Example 2: Increased frequency and severity of heatwaves and storms are also effects of global warming.
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Note: This glossary term is part of an ongoing series on Sunny Days Go! exploring the significant concepts in climate science.
