The extra-solar planet count is more than 400 and rising. Before long we may find an Earth-like planet around another star. If we do, and can visit, what next? Stake out our claim on an alien world or tread lightly and preserve it?
We’ll look at what our record on Earth says about our planet stewardship. Also, whether a massive technological fix can get us out of our climate mess. Plus, what we can learn about extreme climate from our neighbors in the solar system, Venus and Mars.
Listen to individual segments here:
Part 1 - Keith Cowing
Part 2 - Gary Davis
Part 3 - Kathryn Denning
Part 4 - David Grinspoon
Part 5 - Ken Caldeira
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