© 2026 Improve the News Foundation.
All rights reserved.
Version 6.18.0
Hannah Ritchie is a Scottish data scientist and Senior Researcher at Our World in Data, where she leads research on environmental sustainability, climate change, and energy. She is the author of the book 'Not the End of the World: How We Can Be the First Generation to Build a Sustainable Planet' (2024) and Head of Research at Our World in Data.
Controversy:Will Global Emissions Peak Before 2030?