Alexia Leclercq is an environmental justice organizer, scholar, and artist.
For over a decade, Alexia has led campaigns securing clean water protections, passing aggregate mining regulation and land use law, shutting down petrochemical projects, and strengthening international climate mechanisms, including the loss and damage fund and an equitable fossil fuel phase-out.
As the Co-Founder and Executive Director of Start:Empowerment, a national climate education nonprofit, her curriculum has reached more than 120,000 students, her critical climate education framework has been adopted by leading organizations, and in 2021 she launched the first climate organizing fellowship designed by and for Gen Z youth of color. Alexia is also the Co-Founder of the Colorado River Conservancy, advancing community and Indigenous led stewardship across Central Texas.
Her leadership has been recognized by Bloomberg, The Washington Post, Forbes, New York Times, and The Guardian, and honored with the Brower Youth Award, Jericho Activism Prize, WeAct EJ Award, Harvard AOCC Award, Forbes 30u30, and WWF Conservation Award. She served as the 2022 UN Assembly Ambassador for the United States and as a liaison for the 2025 National Academies Cumulative Impacts Study. She frequently speaks on climate governance, environmental justice organizing, and policy and has been a guest lecturer at Harvard, University of Texas Law, University of Connecticut, Dell Medical School, Princeton.
Alexia graduated Summa Cum Laude from New York University and Harvard Graduate School of Education.
