François Tissot

Dr. François Tissot, a Caltech geochemist, shares personal insights about the devastation in his neighborhood after the LA fires. He discusses measuring heavy metals like lead and arsenic and highlights the lack of prior research on urban fire contaminants. Dr. Yifang Zhu, a UCLA environmental health expert, details her research on how household items released harmful chemicals post-fire. Together, they explore the challenges of cleaning contaminated homes, the need for better funding for research, and the responsibilities scientists bear in supporting affected communities.