Hannah Ritchie

Hannah Ritchie

Head of Research, Our World in Data

Dr. Hannah Ritchie is Senior Researcher in the Programme for Global Development at the University of Oxford. She is also Deputy Editor and Lead Researcher at Our World in Data. Her research appears regularly in the New York Times, The Economist, and the Financial Times, and in bestselling books including Steven Pinker’s Enlightenment Now. She is the author of Not the End of the World.

Target symbol over a world map with a central orange circle displaying "< 2°", surrounded by numbers on concentric circles.
6 min
“I think the key point is that doesn't mean game over. That doesn't mean we're flipped into a world, and to a point of no return.”
The Earth partially submerged in water, symbolizing climate change and rising sea levels, against a black background.
13 min
“You can find examples of really big environmental problems that we've already solved.” Climate change is solvable, argues Hannah Ritchie.
7 min
Is human overpopulation alarmist hype with disturbing consequences? Oxford data scientist Hannah Ritchie debunks the overpopulation myth.
The cover of the book envisions a sustainable future.
Environmental progress is happening quickly but we must keep pushing for change.
Or why I’m coming out as an impatient optimist.