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An asteroid chemist who studies LA lead levels

An asteroid chemist who studies LA lead levels

When raised lead levels were noticed in Los Angeles last year, Professor Francois Tissot, who usually examines the chemistry of asteroids, quickly saw that the fires that ravaged the region in January 2025 were to blame. He reveals the current extent of the concern and suggests Australia inspects its own burned regions too. Guest Francois Tissot Professor of geochemistry Caltech Presenter Robyn Williams

The Science Show - Separate stories podcast · Australian Broadcasting Corporation

March 6, 202617m 24s

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Show Notes

When raised lead levels were noticed in Los Angeles last year, Professor Francois Tissot, who usually examines the chemistry of asteroids, quickly saw that the fires that ravaged the region in January 2025 were to blame. 

He reveals the current extent of the concern and suggests Australia inspects its own burned regions too. 

Guest Francois Tissot Professor of geochemistry Caltech 

PresenterRobyn Williams

Topics

robyn williamscalifornia wildfireslead levelsFrancois TissotThe Science Show