Monarch butterfly numbers are on the decline and new research shows that climate change is to blame. 

For more, KCBS Radio news anchor Liz Saint John spoke with Elise Zipkin, who is an ecology, evolution, and behavior program director of the integrative biology department at Michigan State University. 

<p>Monarch butterfly numbers are on the decline and new research shows that climate change is to blame.&nbsp;</p>
<p>For more, KCBS Radio news anchor Liz Saint John spoke with Elise Zipkin, who is an ecology, evolution, and behavior program director of the integrative biology department at Michigan State University.&nbsp;</p>

KCBS Radio: On-Demand

Today's news from KCBS Radio in the palm of your hand.

Advertisement