Here's how to turn climate change anxiety into action

Imagine something you love. Then imagine it's threatened.

That's what Jada Alexander experienced when she was studying coral reefs in French Polynesia. During her first trip, as a student at the University of California, Santa Barbara, she was captivated. "The coral reef was vibrant. It was beautiful," she recalls. It was teeming with life, full of crabs and fish.

But on a return trip one year later, much of the reef appeared dead. "It was dull and gray," she says, which left her feeling hopeless.

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