Why does air pollution turn the sky red? This week we break down the Mars-like haze and how climate change is involved. #orangesky #climatechange #wildfires

Our friends at C&EN have a new article out about how smoke particulate size affects health:
https://cen.acs.org/biological-chemis...
Chemical & Engineering NewsChemical & Engineering News

You might also like:
How Are Forest Fires Put Out?
   • How Do We Fight the California Fires?  

Why This Town Has Been On Fire For 50 Years
   • Why This Town Has Been On Fire For 50...  

Cellulose: From Trees to Explosives
   • Cellulose: From Trees to Explosives  

Why Do Leaves Change Color?
   • Why Do Leaves Change Color?  

What Causes Auroras (and where you should see them)
   • What Causes Auroras (and where you sh...  

Credits:
Executive Producers:
George Zaidan
Hilary Hudson

Producers:
Elaine Seward
Andrew Sobey

Writer/Host:
Samantha Jones, PhD

Scientific consultants:
Lelia Duman, PhD
Peter Kalmus, PhD
Mark Marley, PhD
Brianne Raccor, PhD
Sanaz Vahidinia, PhD

Still Photos:
San Francisco Bay at noon on 9/9 by Aaron Maizlish
https://www.flickr.com/photos/amaizli...


The Day The Sun Didn't Rise by Christopher Michel
https://www.flickr.com/photos/cmichel...

Both licensed under CC BY 2.0
https://creativecommons.org/licenses/...

Sources:
Those Orange Western Skies and the Science of Light
https://www.wired.com/story/those-ora...

Why Is the Sky in California So Orange?
https://www.baynews9.com/fl/tampa/wea...

Orange, smoky skies and Bay Area air quality may not improve for days
https://abc7news.com/smoke-in-the-air...

Why is the sky changing colors? The science behind Oregon wildfires' apocalyptic sky
https://www.usatoday.com/story/news/n...

Why the sky turns orange after some storms
https://www.insidenova.com/news/local...

California wildfires: Smoke turns skies orange
https://www.bbc.com/news/world-us-can...

Chapter Two - Optical Properties of Semiconductor Nanowires: Insights into Band Structure and Carrier Dynamics
https://www.sciencedirect.com/science...

Rayleigh Scattering
http://site.physics.georgetown.edu/~v...

Particulate Matter (PM2.5) Trends
https://www.epa.gov/air-trends/partic...

The worst fire season ever. Again.
https://www.latimes.com/projects/cali...


Produced by the American Chemical Society. Join the American Chemical Society! http://bit.ly/Join_acsmembership