The Monarch Butterfly Sanctuary in Pacific Grove near Monterey is documenting a concerning trend. 

<p>The Monarch Butterfly Sanctuary in Pacific Grove near Monterey is documenting a concerning trend.&nbsp;</p>

KQED serves the people of Northern California with a community-supported alternative to commercial media. We provide citizens with the knowledge they need to make informed decisions; convene community dialogue; bring the arts to everyone; and engage audiences to share their stories.

<p>KQED serves the people of Northern California with a community-supported alternative to commercial media. We provide citizens with the knowledge they need to make informed decisions; convene community dialogue; bring the arts to everyone; and engage audiences to share their stories.</p>