Melting Down
Big Picture Science
00:00
The One Point Five Level of Climate Change
Dr tearney says we've been here before. We can learn about what would happen with a few degrees warming. By studying what happened a few million years ago, whet we're out now is a warmer climate. Now, we see two levels at or above 400 parts per million. Those are levels that we haven't seen in three million years. And so when it comes to feeling the stress of not crossing the bright red line of one point five degrees celsius, she wants us to all take a breath.
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