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TED-Ed

The science of smog - Kim Preshoff

1,128,641 Views

42,217 Questions Answered

TEDEd Animation

Let’s Begin…

On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn’t an act of war. It was smog. So what is this thick gray haze actually made of? And why does it affect some cities and not others? Kim Preshoff details the science behind smog.

Watch the video and finish the Think section to complete the lesson.


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Meet The Creators

Educator
Kim Preshoff
Director
Mauricio Vargas
Script Editor
Alex Gendler
Producer
Andrés F. Urbina
Art Director
Maria Camila Gómez
Illustrator
Oscar Reyes
Compositor
María Alejandra Torres
Composer
Camilo Vega
Sound Designer
Camilo Vega
Associate Producer
Jessica Ruby
Content Producer
Gerta Xhelo
Editorial Producer
Alex Rosenthal
Narrator
Julianna Zarzycki

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