Helping climate science make sense.

How Do We Know Global Warming Is Not a Natural Cycle?

How Do We Know It's Not a Natural Cycle

How do we know that today's global warming is not some natural climate change cycle? Climate Central's Mike Lemonick explains. Watch science made simple with this segment of his "Bowtie Series."

BOWTIE SERIES
• How Much Will Sea Level Rise? Grab Your Towel 
• Has Global Warming Stopped? Look at the Bigger Picture 
Lemon with that Tea? The Greenhouse Effect Explained
• How Do We Know Global Warming Is Not a Natural Cycle?

GLOBAL WEIRDNESS
• Reviews rolling in for Climate Central's first book project, Global Weirdness

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