This week we sit down with a national and continental record holder in Constant Weight and Free Immersion, and she's just broke a remarkable Canadian milestone. Join us, as we talk to Canadian Freediver Sheena McNally...  Before that though, there's disturbing news about a small city in the ocean's off Ecuador, in our Think Blue Segment ocean plastics are back for their final segment of the three part series. Sheena is here for the full episode and she's got a book suggestion for us too.