Steven Chu


Interview, December 2019
Steven Chu has devoted a large part of his scientific career to searching for solutions to our climate challenges. Watch this Q&A with Steven Chu on sustainability and climate change, conducted on 7 December 2019.

0.06 – What does sustainability mean to you?
0.34 – What are the present challenges in sustainability?
1.50 – How can we help every person see the importance of being sustainable?
3.24 – What can I do to be more sustainable in my everyday life?
5.22 – What’s the most sustainable form of energy in your opinion?
6.44 – How do you try to do research in the lab in a sustainable way?
8.34 – Where do you see our world’s climate status in 50 years?
10.19 – Do you feel hope in humanity when it comes to tackling climate change?

Interview, November 2018

Steven Chu

Steven Chu.

© Nobel Media. Photo: Pi Frisk

“I hope everyone thinks about what is happening in the world around them”

Steven Chu was awarded the Nobel Prize in Physics for his work on lasers but today spends much of his time working on new solutions to tackle climate change. In this interview he talks about his love of science and how our changing climate is shaping the water on our earth.

Read the interview

Interview, August 2008

Interview, August 2008

Interview with the 1997 Nobel Laureate in Physics, Steven Chu, 26 August 2008. The interviewer is Adam Smith, Editor-in-Chief of

Steven Chu discusses dropping out of high school for three months, deciding to study physics instead of mathematics (4:54), working at Bell Labs and the rediscovery that led to his optical molasses proposal (12:01), transitioning to research in biophysics (27:02), and his opinion that “getting to a sustainable world is a problem that scientists have an opportunity and duty to solve” (37:47).

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MLA style: Steven Chu – Interview. Nobel Prize Outreach AB 2023. Wed. 29 Nov 2023. <>

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