Welcome to Rising Tide, the Ocean Podcast, hosted by Blue Frontier’s Executive Director, David Helvarg and Inland Ocean Coalition's Executive Director, Vicki Nichols Goldstein. Rising Tide is a compelling platform that delves into the vast realms of ocean and climate science, conservation, and exploration featuring experts, scientists, mariners, and explorers. Each half hour episode navigates through insightful discussions on marine life, and the critical issues affecting our seas. Informative, educational and humorous, it is a valuable resource for anyone passionate about understanding and preserving our ocean world.

Rising Tide #104 – Rashid Sumaila is Counting on Fish

Rising Tide #104 – Rashid Sumaila is Counting on Fish Director of ocean and fisheries economics at the University of British Columbia...

Rising Tide #103 – Shelby Van Pelt’s Remarkable Octopus Book

Rising Tide #103 – Shelby Van Pelt’s Remarkable Octopus Book In this episode of Rising Tide, Vicki and David speak with Shelby...

Rising Tide #102 – Coast Guard Admiral Sugimoto Protects the Blue

Rising Tide #102 – Coast Guard Admiral Sugimoto Protects the Blue In this episode of Rising Tide, David speaks with Coast Guard...

Rising Tide #101 – Whale Rescuer Kathi George

Rising Tide #101 – Whale Rescuer Kathi George In our new episode we speak with Kathi George, Director of Cetacean Conservation for...

Rising Tide #100 – Celebrating Some of Our Favorites

Rising Tide #100 – Celebrating Some of Our Favorites In a special edition of Rising Tide, David Helvarg, Vicki Nichols-Goldstein, and Natasha...

Rising Tide #99 – Brian Skerry’s Iconic Ocean Images

Rising Tide #99 – Brian Skerry’s Iconic Ocean Images In our latest episode we speak with world-renowned underwater photojournalist Brian Skerry. Brian talks...

Rising Tide #98 – Margaret Leinen – Steering Scripps in Turbulent Times

Rising Tide #98 – Margaret Leinen – Steering Scripps in Turbulent Times On our latest Rising Tide, we speak with paleo oceanographer...

Rising Tide #97 – Neil Sims’ Ocean Farm of the Future

Rising Tide #97 – Neil Sims’ Ocean Farm of the Future About half the world’s seafood now comes from aquaculture, rather than...

Rising Tide #96 – The Late Don Walsh in His Own Words

Rising Tide #96 – The Late Don Walsh in His Own Words In a Special Encore Episode of Rising Tide we revisit...

Rising Tide #95 – Nuestro Planeta es Azul

Rising Tide #95 – Nuestro Planeta es Azul On this episode of Rising Tide we speak with Marce Gutiérrez-Graudiņš, Founder and Executive...

Rising Tide #94 – Surfing (and Diving’s) Dirty Secret

Rising Tide #94 – Surfing (and Diving’s) Dirty Secret On this episode of Rising Tide we talk with surfers and filmmakers Lewis...

Rising Tide #93 – Mikki’s Shark World

Rising Tide #93 – Mikki’s Shark World On this episode of Rising Tide we talk with Mikki McComb-Kobza of the Ocean First...

Rising Tide #92 – Terry Tamminen’s AltaSea

Rising Tide #92 – Terry Tamminen’s AltaSea On this episode of Rising Tide we talk with Terry Tamminen, President and CEO of...

Rising Tide #91 – Susan Casey Goes Deep Into the Sea

Rising Tide #91 – Susan Casey Goes Deep Into the Sea Join us for an in-depth conversation with best-selling author and ocean...

Rising Tide #90 – Coral Restoration in a Climate Crisis

Rising Tide #90 – Coral Restoration in a Climate Crisis Our overheated seas off Florida have now topped 101 degrees, the kind...

Rising Tide #89 – Beneath the Blue Planet

Rising Tide #89 – Beneath the Blue Planet Today we’re talking with Dr. Alex Brylske, a veteran dive industry professional, coral reef...

Rising Tide #88 – Marc Yaggi is a Waterkeeper

Rising Tide #88 – Marc Yaggi is a Waterkeeper Today we speak with Marc Yaggi, Chief Executive Officer of the Waterkeeper Alliance...

Rising Tide #87 – Tony Lawson Builds for the Deep

Rising Tide #87 – Tony Lawson Builds for the Deep In this episode of Rising Tide we talk with Submersible engineer and...

Rising Tide #86 – Kassia Meador Surfs with Grace for the Ocean

Rising Tide #86 – Kassia Meador Surfs with Grace for the Ocean Today we’re stoked to be speaking with Kassia Meador a...

Rising Tide #85 – From Paddle Boards to Spy Whales with Rich German

Rising Tide #85 – From Paddle Boards to Spy Whales with Rich German Today we speak with Rich German – photographer, paddle...

Rising Tide #84 – Congressman Jared Huffman is an Ocean Champ

Rising Tide #84 – Congressman Jared Huffman is an Ocean Champ On today’s show we speak with Rep. Jared Huffman (D –...

Rising Tide #83 – Rob Moir’s Ocean River

Rising Tide #83 – Rob Moir’s Ocean River On today’s show David speaks with Rob Moir, sailor, scientist and founder of the...

Rising Tide #82 – Chad Nelsen is a Surfer

Rising Tide #82 – Chad Nelsen is a Surfer Today we’re talking with Chad Nelsen, CEO of the Surfrider Foundation. Raised by the...

Rising Tide #81 – Sequoias of the Sea

Rising Tide #81 – Sequoias of the Sea Today we’re talking with Natasha Benjamin: Filmmaker, marine scientist, diver, surfer, Communications Director for...

Rising Tide #80 – A Historic Ocean Treaty

Rising Tide #80 – A Historic Ocean Treaty Join us as we talk with Greenpeace Ocean Campaign Director JohnHocevar. John, who has...

Rising Tide #79 – Healthier than Fish Oil!

Rising Tide #79 – Healthier than Fish Oil! In our next episode we speak with Andrew Hebard, President and CEO of Natures...

Rising Tide #78 – Linda Behnken is Fishing for the Future

Rising Tide #78 – Linda Behnken is Fishing for the Future This week we talk with Linda Behnken, Executive Director of the...

Rising Tide #77 – Kramer Wimberley is Diving with a Purpose

Rising Tide #77 – Kramer Wimberley is Diving with a Purpose This week we talk with Kramer Wimberley lead dive instructor and...

Rising Tide #76 – David Shiffman’s Sharks

Rising Tide #76 – David Shiffman’s Sharks This week we talk with David Shiffman, a marine biologist with Arizona State University and a...

Rising Tide #75 – Francis Lean and Her Honduran Marine Park

Rising Tide #75 – Francis Lean and Her Honduran Marine Park This week we talk with Francis Lean Bu, the Executive Director of the...

Rising Tide #74 – Up Against the Wall Oceans

Rising Tide #74 – Up Against the Wall Oceans This week we talk with Tre Packard: art curator, diver and Executive Director of the...

Rising Tide #73 – Mariner Nick Landon’s Life at Sea

Rising Tide #73 – Mariner Nick Landon’s Life at Sea This week on Rising Tide we talk with Nick Landon, a young...

Rising Tide #72 – Carleen Lyden Walker’s Maritime Industry Vision

Rising Tide #72 – Carleen Lyden Walker’s Maritime Industry Vision A co-founder and Executive Director of the North American Marine Environment Protection...

Rising Tide #71 – NOAA’s Rick Spinrad Works from the Sun to the Sea

Rising Tide #71 – NOAA’s Rick Spinrad Works from the Sun to the Sea Undersecretary of Commerce Dr. Rick Spinrad, Administrator of  ...

Rising Tide #70 – “Who Hears the Fishes When they Cry?” Carrie Wall!

Rising Tide #70 – “Who Hears the Fishes When they Cry?” Carrie Wall! Henry David Thoreau asked the question in an 1849...

Rising Tide #69 – Alexandra Morton vs. the Salmon Farms

Rising Tide #69 – Alexandra Morton vs. the Salmon Farms In this episode we talk with Alexandra Morton, who’s been called the...

Rising Tide #68 – Capt. Paul Watson’s New Command

Rising Tide #68 – Capt. Paul Watson’s New Command In this episode we talk to leading ocean warrior Captain Paul Watson, founder...

Rising Tide #67 – Sherman’s Two Years Before the Mast

Rising Tide #67 – Sherman’s Two Years Before the Mast In this episode we reconnect with our friend ‘Sherman’s Lagoon’ creator Jim Toomey...

Rising Tide #66 – Nancy Knowlton’s Ocean Optimism

Rising Tide #66 – Nancy Knowlton’s Ocean Optimism In this episode David talks with renowned marine scientist Dr. Nancy Knowlton about her...

Rising Tide #65 – Oysters in a Troubled Bay

Rising Tide #65 – Oysters in a Troubled Bay In this episode we have a hopeful but challenging talk with Linda Hunter...

Rising Tide #64 – Isabella Kirkland’s Art of Nature

Rising Tide #64 – Isabella Kirkland’s Art of Nature In our conversation with artist Isabella Kirkland we talk about her detailed paintings of biodiversity...

Rising Tide #63 – Ocean Crime Buster Ian Ralby

Rising Tide #63 – Ocean Crime Buster Ian Ralby In this episode we talk with Dr. Ian Ralby founder and CEO of...

Rising Tide #62 – The Assistant Secretary of State for Oceans

Rising Tide #62 – The Assistant Secretary of State for Oceans In this extended 40-minute episode we talk with Monica Medina, the...

Rising Tide #61 – Carl Safina Listens to the Animals

Rising Tide #61 – Carl Safina Listens to the Animals In our latest episode David talks with marine ecologist, acclaimed ocean and...

Rising Tide #60 – In Depth with Farah Obaidullah

Rising Tide #60 – In Depth with Farah Obaidullah In this episode we talk with Farah Obaidullah about her life traveling our...

Rising Tide #59 – Going Deep with Explorer Don Walsh

Rising Tide #59 – Going Deep with Explorer Don Walsh In our latest episode we talk with Ocean and Polar Explorer Don...

Rising Tide #58 – Engineering Climate Restoration

Rising Tide #58 – Engineering Climate Restoration In our latest episode we talk with Peter Fiekowsky, an MIT trained physicist and engineer...

Rising Tide #57 – Fabien Cousteau In Depth

Rising Tide #57 – Fabien Cousteau In Depth We speak with Fabien Cousteau, third generation ocean explorer and documentary producer.  Along with...

Rising Tide #56 – A ‘Kelp Princess’ Dives Into Its Recovery

Rising Tide #56 – A ‘Kelp Princess’ Dives Into Its Recovery In this episode we speak with Francesca Koe, Board Member of...

Rising Tide #55 – Hilton Kelley’s Mission for Gulf Justice

Rising Tide #55 – Hilton Kelley’s Mission for Gulf Justice We hear from activist Hilton Kelley. Raised in the segregated west side...

Rising Tide #54 – Evolution and Devolution with Les Kaufman

Rising Tide #54 – Evolution and Devolution with Les Kaufman We talk with Marine evolutionary biologist Les Kaufman about his decades of study of ocean...

Rising Tide #53 – A Wahine Surfs for Change

We talk with Wahine Project director Dionne Ybarra who, raised in an inland Mexican American Farm worker family, discovered surfing at 38. ...

Rising Tide #52 – Kim Stanley Robinson’s Science and Fiction

We talk with world-renowned science fiction author Kim Stanley Robinson about his life and his novels, including his last, ‘The Ministry for...

Rising Tide #51 – Blue Frontier Turns 20

David and Vicki are joined by Wendy Benchley and Margo Pellegrino, both previous podcast guests and both fellow veterans of Blue Frontier...

Rising Tide #50 – The Scientist, Sunscreen, and Dead Reefs

For our 50th episode we talk with Dr. Craig Downs, the Hawaiian scientist who discovered and popularized the threat petrochemical-based sunscreens and other...

Rising Tide #49 – Maria Brown’s California Galapagos

We talk with NOAA’s Superintendent of the Greater Farallones and Cordell Banks Marine Sanctuaries off California, some of the most productive waters...

Rising Tide #48 – Brian Tissot’s Life on the Edge

Surfer scientist, writer and long-time Northern California marine lab director Brian Tissot talks with us about the state of California’s declining kelp...

Rising Tide #47 – Still an Ocean Outlaw

We welcome back Ian Urbina who was on Rising Tide’s first episode. The former NY Times reporter’s Outlaw Ocean series became a...

Rising Tide #46 – “Poseidon’s Bible”

Dive in with Chris Dixon & Jeremy Spencer the co-authors and editors of “The Ocean – the Ultimate Handbook of Nautical Knowledge,”...

Rising Tide #45 – “Her Deepness” and her Daughter

Join us in PART TWO of our Rising Tide conversation with “Her Deepness” National Geographic Explorer-in-Residence Dr. Sylvia Earl and her daughter...

Rising Tide #44 – Ten4Ocean

Rising Tide is a project of Blue Frontier founded by host David Helvarg. Co-host Vicki Nichols-Goldstein is founder of the Inland Ocean...

Rising Tide #43 – “Her Deepness” and her Daughter

Join us in part one of our two part Rising Tide conversation with “Her Deepness” National Geographic Explorer-in-Residence Dr. Sylvia Earl and...

Rising Tide #42 – Fiction for the Sea

If you missed our Writers For the Sea: Fiction For the Sea, we’re offering the full panel discussion on this week’s podcast...

Rising Tide #41 – Andres Soto’s Richmond & Point Molate

We open season two of Rising Tide talking with Andres Soto, community organizer for Citizens for a Better Environment, multi-talented musician (that’s...

Rising Tide #40 – Cynthia Barnett’s Ocean of Sea Shells

If you missed her on NPR’s ‘Science Friday’ hear our friend Author and Journalist Cynthia Barnett share stories from her new book...

Rising Tide #39 – Storm Reporter Mark Schleifstein

The day before Hurricane Ida devastated Louisiana, the Gulf and then the Northeast we spoke with New Orlean’s Pulitzer Prize winning reporter...

Rising Tide #38 – Getting in the Swim with Matt Moseley

We talk to long-distance adventure swimmer, author and activist Matt Moseley about his first-ever swims in the ocean, rivers and across Lake...

Rising Tide #37 – Louie Psihoyos’s Ocean Visions

From Iowa to an Oscar, Louie Psihoyos continues to engage people with his famed National Geographic photography, award-winning films including ‘The Cove’...

Rising Tide #36 – Two Sisters Taking On Plastic

Dianna and Julia Cohen are two of the co-founders of the Plastic Pollution Coalition. Mixing lifetimes of art and activism they talk...

Rising Tide # 35 – Whale Doctor Frances Gulland

This week we speak with marine mammal veterinarian and disease pioneer Dr. Frances Gulland.  One of three members of the U.S. Marine...

Rising Tide #34 – Wyland’s Art World of Water

We talk with the renown marine life artist Wyland about his art, his life, his life-sized whaling walls, where he gets his...

Rising Tide #33 – Jeremy Jackson’s Blue World View

Jeremy Jackson, one of the world’s leading ocean ecologists, paleobiologists and conservationists talks to us about his hopes and concerns about the...

Rising Tide #32 – Ana Blanco’s Ocean Films

Join us in conversation with Ana Blanco, Executive Director of the International Ocean Film Festival.  We talk about the ocean in our...

Rising Tide #31 – The Scientist and the Abalone

Join us with Dr. Kristin Aquilino, head of the White Abalone breeding program at UC Davis marine lab in northern California.  Find out how...

Rising Tide #30 – Getting down with Mehgan Heaney-Grier

Another Rising Tide, another amazing, salty woman.  This time we’re talking with Mehgan Heaney-Grier, an early record-holding free diver who helped introduce...

Rising Tide #29 – Roz Savage’s Three Oceans

Join us in conversation with the amazing Roz Savage.  Roz is the first (and so far only) woman to row solo across...

Rising Tide #28 – Writers for the Sea #2

If you missed our Writers for the Sea Authors Panel with Brian Skerry, Sylvia Earle, and Carl Safina, we’re offering the full panel...

Rising Tide #27 – Steve Palumbi’s Strange Blue Science

From using genetics to aid coral survival to processing whale DNA to track illegal slaughter, from toxic dolphins to the wonders of...

Rising Tide #26 – John Racanelli’s Hopeful Aquarium

The search for a dolphin Sanctuary, cold turtle rescues (also seal pups), a coral nursery, a floating wetland in Baltimore harbor visited...

Rising Tide #25 – Stuart Coleman’s Island Adventures

David talks with Hawaii-based author and activist Stuart Coleman about his 30-year journey surfing and writing about ocean legends such as big...

Rising Tide #24 – Wendy Benchley’s Jaws of Conservation

Vicki and David talk with shark-protector, member of the Women’s Diving Hall of Fame and honored board member of Blue Frontier Wendy...

Rising Tide #23 – Meet the Blue in Greenpeace

Join our wide-ranging discussion with John Hocevar, Greenpeace USA’s Oceans Campaign Director.  From piloting two-person submarines into deep canyons in the Bering...

Rising Tide #22 – Geraldine Knatz’s Greener Ports

We talk with Professor and former Executive Director of the Port of Los Angeles Geraldine Knatz. Along with being the first woman...

Rising Tide #21 – Michael Stocker’s Sea of Sound

We talk with acoustician Michael Stocker, Founder of Ocean Conservation Research, who explains what a misnomer, “The Silent World,” of Jacques Cousteau actually...

Rising Tide #20 – Writers For the Sea

If you didn’t see it live or on YouTube for our 20th Rising Tide we’re offering the full Writers for the Sea panel...

Rising Tide #19 – Fighting Plastic Seas

We talk with Anna Cummins, Co-Founder of 5 Gyres, one of the leading ocean plastics groups about the science, advocacy and adventure involved in...

Rising Tide #18 – The Ocean and Wyoming

This time David and Vicki chat with Kelly Wright, chair of the Wyoming Chapter of the Inland Ocean Coalition that Vicki organized. ...

Rising Tide #17 – Biden and Ocean

With the victory of President-elect Joe Biden and Vice-President-elect Kamala Harris, David and Vicki talk to the Aspen Institute’s Michael Conathan. Michael...

Rising Tide #16 – Vote the Ocean

With less than two weeks to a historic election that will define the fate of our blue planet, Vicki and I thought...

Rising Tide #15 – Richard Charter Gets Oil Out

For over 30 years Richard Charter has been a leader of the national fight to stop offshore oil drilling in our public...

Rising Tide #14 – A Cousteau Couple

Philippe and Ashlan Cousteau are ocean explorers and multimedia producers who put the blue in the red carpet. Philippe is the third generation of...

Rising Tide #13 – Wildfires and Blue Mind

Get your Blue Mind on with Dr. Wallace J. Nichols, marine biologist, water-lover, and turtle nerd. Hear about how he lost his home...

Rising Tide #12 – Daniela Fernandez Means Business!

Entrepreneur Daniela Fernandez is one of those 30 under 30 folks you read about with a Silicon-Valley tech incubator for new companies...

Rising Tide #11 – Paddler & Adventurer Margo Pellegrino

A lifelong Jersey Gal who grew up in an ocean loving family, Margo Pellegrino has paddled her one-woman outrigger canoe from Miami...

Rising Tide #10 – Ralph Nader gets Salty

With an election less than 100 days away Ralph Nader offers his wisdom on how the ocean community can win its battles...

Rising Tide #9 – Talking Blue New Deal

David talks with Jason Scorse (Center for the Blue Economy) and  16-year-old activist Charley Peebler (Heirs To Our Oceans) about the newly released...

Rising Tide #8 – Sherman’s Lagoon

While Sherman the Shark might spend the 4th of July brunching on “hairless beach apes,” who flock to the shore despite COVID, David...

Rising Tide #7 – Black Lives and Blue Water

David talks to artist and TV personality Danni Washington about the links between BLM protests, frontline communities of color, clean water, Gen...

Rising Tide #6 – The Master Navigator

David talks story with Hawaii’s Nainoa Thompson, President of the Polynesian Voyaging Society and a master navigator who has sailed voyaging canoes...

Rising Tide #5 – The Senator, the Gremmie & The Optimist

Following a taste of our Ocean Climate webinar with Senator Jeff Merkeley (D-OR), David interviews 13-year-old Dakota Peebler (Heirs To Our Oceans)...

Rising Tide #4 – A Fiji Flashback & A Surfing Mayor

A blast from the past from Davy Jones Locker (actually David’s radio archives) includes a report on coral bleaching in Fiji 20...

Rising Tide #3 – The Ghost Net Buster & the Inland Ocean

We’re never socially distant from solutions – Hear from Mary Crowley, the mariner who’s removed tons of discarded fishing nets from the...

Rising Tide #2 – The Pandemic, Her Deepness & A Maritime Cadet

Following a comment on the COVID-19 pandemic, the Ocean and Climate David introduces Time magazine’s ‘Hero of the Planet Dr. Sylvia Earle...

Rising Tide #1 – The Outlaw Ocean

David interviews longtime New York Times reporter and author Ian Urbina about his best-selling book on our lawless seas from pirate fishing...

Rising Tide: The Ocean Podcast (Pilot)

Welcome to Blue Frontier’s new podcast, Rising Tide, hosted by Blue Frontier’s Executive Director, David Helvarg. You will meet today’s ocean champions...