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Cache Valley's Air Quality on Friday's Access Utah

Several days a year Cache Valley’s air quality is worse than the air in big cities such as Beijing, China. Today on the program Utah State University environmental engineer Randy Martin, joins us to talk about what’s causing the pollution in cache valley and the State strategies to clean it up so everyone can breathe easy.  

And Science Questions presents some of the rarest recordings on Earth from the deep and frozen Arctic. It is an audio journey of one man’s trek across one of the most remote and harsh regions on the planet.