Dr. Riki Ott returns to Terra Verde, joining host Fiona McLeod to discuss recent updates in the ongoing fight to regulate the use of toxic dispersant chemicals in the event of an oil spill. Dr. Ott is a marine toxicologist and an activist, and joined the show last year to discuss the long-term impacts of oil spills and the dangers of using chemical dispersants in oil spill responses. In this, Dr. Ott shares an update about where the regulatory process stands today. 

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