Climate Change

What is climate change, and how is it affecting Earth?

Agriculture

What is climate change, and how is it affecting Earth?

Climate change is any long-term alteration in average weather patterns, either globally or regionally. As this broad definition suggests, climate change has occurred many times in Earth's history, and for many reasons. The changes in global temperature and weather patterns seen today, however, are caused by human activity. And they're happening much faster than the natural climate variations of the past.

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