The longtime activist offers a vision of a planet Earth that has survived the worst effects of climate change -- but only if we act now.
Astronaut Sally Ride was the first American woman in space. Today she is on a new mission: to make science cool for kids – especially girls. How she plans to encourage students to prepare for careers in science, technology, engineering and math.
- Sally Ride Former NASA astronaut; first American woman to travel in space; author of science books for children; founder and CEO of Sally Ride Science.
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