= Global change
{wiki=Global_change}
Global change refers to significant and lasting alterations in the Earth's systems, which can occur on a global scale. These changes can be driven by natural processes or human activities and can affect the environment, climate, ecosystems, and human societies. Key components of global change include: 1. **Climate Change**: Primarily caused by the increase of greenhouse gases in the atmosphere due to human activities such as burning fossil fuels, deforestation, and industrial processes.
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