Her dad thought her clean energy idea was just a 'kid's project.' He was wrong.

Cassandra is fighting climate change, and she's bringing her whole town with her.

When Cassandra was 10 years old, she decided to take on climate change ... and bring her whole town with her.

In fifth grade, she'd learned that if the world's addiction to fossil fuels continues, it's only a matter of time before her entire town would be underwater. (When you use carbon-emitting energy like we do, that can happen.)

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Unilever and the United Nations