Daily Archives: July 18, 2007

Climate Models: How Good Are They?

The author of today’s post, Lisa Moore, is a scientist in the Climate and Air Program.

Stephen Colbert once quipped, "It’s not that I don’t believe in climate change, it’s that I don’t believe in climate. Have you ever heard anyone say, "How’s the climate?" No! They say, "How’s the weather?""

People often confuse climate and weather. They wonder how scientists can reliably predict climate 50 years from now when they can’t predict the weather a few weeks from now. The answer is that climate and weather are different, and it’s easier to predict climate than weather.

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