Xiye Bastida is a 24-year old Mexican climate justice activist and storyteller. She began her activism after her hometown in Mexico experienced flooding. Since then, she has become a leading voice in the international youth climate movement, organizing climate strikes, advocating at the United Nations, and championing justice-centered climate solutions.

Of Otomi-Toltec heritage, Xiye integrates Indigenous worldviews of reciprocity, interdependence, and intergenerational responsibility into global climate advocacy. She is the Co-Founder and Executive Director of Re-Earth Initiative, a global youth-led organization supporting resource distribution and frontline leadership in over 30 countries. Xiye has been recognized as a TIME 100Next honoree, and is a recipient of the UN Spirit Award.

At the start of 2026, she was named on the Forbes 30 Under 30 list for Social Impact.