Climate change

Climate change refers to the variation in the Earth's greenhouse or regional climates over time. It describes changes in the variability or average state of the atmosphere - or average weather - over time scales ranging from decades to millions of years. In recent usage, especially in the context of environmental policy, the term "climate change" is often used to refer only to the ongoing changes in modern climate, including the average rise in surface temperature known as global warming.

This category has the following 23 subcategories, out of 23 total.

The following 100 pages are in this category, out of 100 total. This list may not reflect recent changes (learn more).

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