How was the night sky taken from us?

How is light pollution affecting the environment and our own well-being? And how can we mitigate light pollution and preserve night sky visibility? 

Guest: Aaron LaCluyzé, faculty member in the Department of Physics at Central Michigan University. 

• 00:00 Introduction  
• 02:04 What is light pollution?  
• 06:55 Is there a benefit to reducing light pollution?  
• 10:50 How does poor light design contribute to light pollution?  
• 13:26 Why does light pollution occur?  
• 15:29 How can we address light pollution?  
• 16:47 What other factors contribute to limited night sky visibility?   
• 18:06 How does light pollution impact wildlife?  
• 21:40 How does light pollution impact humans?  
• 23:59 What kind of light bulb creates the most light pollution? Why?  
• 28:04 How can we mitigate light pollution and preserve night sky visibility?  
• 34:15 How is light pollution measured?  
• 35:49 What are the cultural impacts of light pollution?  
• 37:03 What concerns arise with the proliferation of satellites?  
• 44:09 Recap and conclusion