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What makes Earth so special?

There's something special about our busy, blue marble of a planet. These talks explore why we should make strides to preserve our shared, galactic home.

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Dave Brain

What a planet needs to sustain life

13 minutes 32 seconds

Louie Schwartzberg

Nature. Beauty. Gratitude.

9 minutes 30 seconds

Suzanne Simard

How trees talk to each other

18 minutes 9 seconds

Kenneth Lacovara

Hunting for dinosaurs showed me our place in the universe

15 minutes 40 seconds

Liz Hajek

What rivers can tell us about the earth's history

10 minutes 59 seconds

Anjali Tripathi

Why Earth may someday look like Mars

11 minutes 45 seconds

Barbara J. King

Grief and love in the animal kingdom

14 minutes 32 seconds

Prosanta Chakrabarty

Four billion years of evolution in six minutes

5 minutes 31 seconds

Heidi M. Sosik

The discoveries awaiting us in the ocean's twilight zone

9 minutes 51 seconds