In a deeply moving letter to her grandmother, Xiye Bastida reflects on what led her to become a leading voice for global climate activism -- from mobilizing school climate strikes to speaking at the United Nations Climate Summit alongside Greta Thunberg -- and traces her resolve, resilience and profound love of the earth to the values passed down to her. "Thank you for inviting me to love the world since the moment I was born," she says.

Xiye Bastida: If you adults won't save the world, we will

If you adults won't save the world, we will

climate change

environment

politics

social change

activism

pollution

youth

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TED Stage Talk