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Today on Your Call: How is the US Navy's underwater sonar program affecting marine life?

  On today's Your Call, we’ll have a conversation about how underwater sonar could impact the marine ecosystem. The US Navy uses sonar -- loud sound blasted into the ocean -- to scan for surrounding submarines.  But advocates of marine life, especially whales and dolphins, say the sonar is causing widespread and irreparable damage, even death for some animals in the ocean.  They say that alternative technologies like satellites could be used to replace the sonar.  So what's really happening?  And what's at stake?  Join us at 10am Pacific Time or post a comment here.   It’s Your Call with Rose Aguilar, and You.


Michael Jasny, senior policy analyst and director of the marine mammal project for the Natural Resources Defense Council (NRDC)  

Lyndia Storey, member of Whale and Dolphin Watch in Santa Cruz

John Calambokidis, marine mammal researcher with Cascadia Research

SignOn.org: Petition to save dolphins and whales
Ocean Film Festival 

Cascadia Research 

Whale and Dolphin Watch 

Sea-Inc.: So-Cal Behavioral Response Study

NRDC: New Permit Would Allow Navy to Harm Millions of Marine Mammals

NRDC: Lethal Sounds

NRDC: Groups Seek to Stop Navy from Blasting Marine Mammals with Sonar

NRDC: Researchers to Navies: Stop Using Sonar Near Puget Sound

Center for Whale Research

Stranded No More 

Nature.com: Sonar does affect whales, military report confirms

Discovery News: Navy Admits Whales and Dolphins in Harm's Way