Serge Dedina, Ph.D.
@sergededina.bsky.social
Executive Director of WILDCOAST. Author of Saving the Gray Whale, Wild Sea and Surfing the Border. Driving ocean conservation and natural climate solutions in the U.S. and Latin America.
Pinned
Fantastic trip to La Paz, Mexico, to see our WILDCOAST coral reef and mangrove conservation projects!!
Excellent coverage of record gray whale mortality in NW Mexico via @ernesto-mendez.bsky.social via Excelsior.
June 22, 2025 at 9:24 PM
Excellent coverage of record gray whale mortality in NW Mexico via @ernesto-mendez.bsky.social via Excelsior.
Reposted by Serge Dedina, Ph.D.
Hurricane #Erick rapidly intensified from a tropical storm to a Category 4 hurricane in the 24 hours leading up to landfall. This is the East Pacific's 5th named storm, 2nd hurricane, and 1st major hurricane of the season... the average dates for those are July 23, July 15, and July 15.
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June 19, 2025 at 11:44 AM
Hurricane #Erick rapidly intensified from a tropical storm to a Category 4 hurricane in the 24 hours leading up to landfall. This is the East Pacific's 5th named storm, 2nd hurricane, and 1st major hurricane of the season... the average dates for those are July 23, July 15, and July 15.
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Ocean temp jumps to 70 in La Jolla. SD Bay temp was 73 at Crown Cove, Silver Strand State Beach yesterday.
June 19, 2025 at 12:28 PM
Ocean temp jumps to 70 in La Jolla. SD Bay temp was 73 at Crown Cove, Silver Strand State Beach yesterday.
www.accuweather.com/en/hurricane... Hurricane Erick to strengthen rapidly, become Category 3
Hurricane Erick to strengthen rapidly, become Category 3
Erick was upgraded to a hurricane on Wednesday morning. Additional rapid strengthening is feared prior to approaching the southwestern coast of Mexico on Thursday with the effects of a major hurricane...
www.accuweather.com
June 18, 2025 at 1:38 PM
www.accuweather.com/en/hurricane... Hurricane Erick to strengthen rapidly, become Category 3
Reposted by Serge Dedina, Ph.D.
🌎 This is our call to the wild.
At WILDCOAST, we believe that protecting the planet means protecting the people, communities, and cultures that depend on it.
Join us in building a future where nature thrives. 🌿🐢🌊
www.youtube.com/watch?v=dTdS...
At WILDCOAST, we believe that protecting the planet means protecting the people, communities, and cultures that depend on it.
Join us in building a future where nature thrives. 🌿🐢🌊
www.youtube.com/watch?v=dTdS...
WILDCOAST Manifest
YouTube video by WILDCOAST
www.youtube.com
June 16, 2025 at 7:30 PM
🌎 This is our call to the wild.
At WILDCOAST, we believe that protecting the planet means protecting the people, communities, and cultures that depend on it.
Join us in building a future where nature thrives. 🌿🐢🌊
www.youtube.com/watch?v=dTdS...
At WILDCOAST, we believe that protecting the planet means protecting the people, communities, and cultures that depend on it.
Join us in building a future where nature thrives. 🌿🐢🌊
www.youtube.com/watch?v=dTdS...
Current ocean temp in Huatulco National Park in Oaxaca 32 Celsius or 89.6 Fahrenheit, 7 meters or 21 feet below the surface.
June 9, 2025 at 9:59 PM
Current ocean temp in Huatulco National Park in Oaxaca 32 Celsius or 89.6 Fahrenheit, 7 meters or 21 feet below the surface.
Our @wildcoastorg.bsky.social team hosted an awards ceremony in Tijuana for the participants in a video contest for students on the border waste tire crisis. Great media presence and participation of the next generation of environmental entrepreneurs in Baja California.
June 6, 2025 at 10:59 PM
Our @wildcoastorg.bsky.social team hosted an awards ceremony in Tijuana for the participants in a video contest for students on the border waste tire crisis. Great media presence and participation of the next generation of environmental entrepreneurs in Baja California.
Our @wildcoast camera traps in our co-managed Mascalco Indigenous Coastal Reserve in Oaxaca caught a glimpse of the wildlife of this unique and threatened dry tropical forest reserve:
youtu.be/ByIAACqwGRM?si…
youtu.be/ByIAACqwGRM?si…
VIDA SILVESTRE EN MASCALCO - WILDLIFE IN MASCALCO
YouTube video by WILDCOAST
https://youtu.be/ByIAACqwGRM?si…
June 6, 2025 at 10:57 PM
Our @wildcoast camera traps in our co-managed Mascalco Indigenous Coastal Reserve in Oaxaca caught a glimpse of the wildlife of this unique and threatened dry tropical forest reserve:
youtu.be/ByIAACqwGRM?si…
youtu.be/ByIAACqwGRM?si…
Reposted by Serge Dedina, Ph.D.
⚠️ Pollution from the Tijuana River—including sewage and industrial waste—is impacting air quality in San Diego, according to a new study led by @ucsandiego.bsky.social researchers. Learn more about the research led by @chemcooper.bsky.social and
@kprather.bsky.social. ⬇️ @ucsdphysci.bsky.social
@kprather.bsky.social. ⬇️ @ucsdphysci.bsky.social
Pollution From the Tijuana River Affects Air Quality in San Diego
A new study from UC San Diego examines how pollutants from the Tijuana River travel and are transmitted in the atmosphere through coastal aerosols. The study found a mixture of drugs and chemicals fro...
today.ucsd.edu
May 28, 2025 at 8:38 PM
⚠️ Pollution from the Tijuana River—including sewage and industrial waste—is impacting air quality in San Diego, according to a new study led by @ucsandiego.bsky.social researchers. Learn more about the research led by @chemcooper.bsky.social and
@kprather.bsky.social. ⬇️ @ucsdphysci.bsky.social
@kprather.bsky.social. ⬇️ @ucsdphysci.bsky.social
The @nytimes.com on the border sewage crisis: “In 2022..Dedina moved Wildcoast..out of Imperial Beach because his employees began complaining of toxic fumes. Then, last year, he and his wife moved to central San Diego. The health risks..had become too much.”
www.nytimes.com/2025/05/26/u...
www.nytimes.com/2025/05/26/u...
In California, There’s One Import That Nobody Wants
www.nytimes.com
May 26, 2025 at 9:19 PM
The @nytimes.com on the border sewage crisis: “In 2022..Dedina moved Wildcoast..out of Imperial Beach because his employees began complaining of toxic fumes. Then, last year, he and his wife moved to central San Diego. The health risks..had become too much.”
www.nytimes.com/2025/05/26/u...
www.nytimes.com/2025/05/26/u...
Please to be part of the Scripps Institution of Oceanography May 13th at SIO on Cross-Border Binational Research. It is more important than ever to carry out cross-border research and conservation projects to promote coastal and ocean conservation and research.
May 12, 2025 at 1:33 PM
Please to be part of the Scripps Institution of Oceanography May 13th at SIO on Cross-Border Binational Research. It is more important than ever to carry out cross-border research and conservation projects to promote coastal and ocean conservation and research.
A #mustread: “..the recent freedom under which wolves have thrived in Europe is once again in peril.” www.nytimes.com/2025/05/12/o...
Opinion | When Politics, Borders and Wolves Collide
www.nytimes.com
May 12, 2025 at 1:07 PM
A #mustread: “..the recent freedom under which wolves have thrived in Europe is once again in peril.” www.nytimes.com/2025/05/12/o...
‘Hopefully Congress, will..stop..the inexplicable economic self-sabotage caused by a trade war. In the meantime my @wildcoastorg.bsky.social
team and I will..make sure that ..wildlife..can thrive in and around our ocean everyday of the year.”
www.sandiegouniontribune.com/2025/03/14/o...
team and I will..make sure that ..wildlife..can thrive in and around our ocean everyday of the year.”
www.sandiegouniontribune.com/2025/03/14/o...
Opinion: As a former border mayor, I see the tariff war bringing tragic loss, shock and outrage
With a looming trade war between the U.S., Canada and Mexico as a result of President Trump threatening the application of 25% tariffs on Canada and Mexico (a move the Wall Street Journal referred …
www.sandiegouniontribune.com
May 10, 2025 at 5:13 PM
‘Hopefully Congress, will..stop..the inexplicable economic self-sabotage caused by a trade war. In the meantime my @wildcoastorg.bsky.social
team and I will..make sure that ..wildlife..can thrive in and around our ocean everyday of the year.”
www.sandiegouniontribune.com/2025/03/14/o...
team and I will..make sure that ..wildlife..can thrive in and around our ocean everyday of the year.”
www.sandiegouniontribune.com/2025/03/14/o...
Here’s the write up about me and
@wildcoastorg.bsky.social in Giving Back magazine.
gbsan.com/10-things-ab...
@wildcoastorg.bsky.social in Giving Back magazine.
gbsan.com/10-things-ab...
10 Things About Serge Dedina Ph.D. & WILDCOAST
Who said it was supposed to be easy? WILD COAST is an international team that conserves coastal and marine ecosystems and addresses climate change through natural solutions. For the past 25 years, WIL...
gbsan.com
May 10, 2025 at 1:20 AM
Here’s the write up about me and
@wildcoastorg.bsky.social in Giving Back magazine.
gbsan.com/10-things-ab...
@wildcoastorg.bsky.social in Giving Back magazine.
gbsan.com/10-things-ab...
In the field in Tijuana today with our @wildcoastorg.bsky.social team who have built 2 trash booms to stop marine debris from entering the ocean. One is made from a confiscated totoaba netw from the Gulf of CA.
May 8, 2025 at 3:54 AM
In the field in Tijuana today with our @wildcoastorg.bsky.social team who have built 2 trash booms to stop marine debris from entering the ocean. One is made from a confiscated totoaba netw from the Gulf of CA.
Impact of sand project threatens to close of the San Dieguito Lagoon SMCA. We need to make sure sand replenishment projects incorporate cost of lagoon inlet dredging.
www.cbs8.com/article/news...
www.cbs8.com/article/news...
Wildlife at risk as sand threatens San Dieguito Lagoon
Ocean currents push sand into San Dieguito Lagoon. This movement could block tidal flow and endanger hundreds of species in the area.
www.cbs8.com
May 4, 2025 at 2:34 PM
Impact of sand project threatens to close of the San Dieguito Lagoon SMCA. We need to make sure sand replenishment projects incorporate cost of lagoon inlet dredging.
www.cbs8.com/article/news...
www.cbs8.com/article/news...
Here’s our @wildcoastorg.bsky.social op-ed with our partners from Friends of Rose Canyon and Batiquitos Lagoon Foundation in the San Diego Union Tribune on restoring and rewilding our canyons and wetlands in SoCal. #bluecarbon #rewilding
April 24, 2025 at 2:12 PM
Here’s our @wildcoastorg.bsky.social op-ed with our partners from Friends of Rose Canyon and Batiquitos Lagoon Foundation in the San Diego Union Tribune on restoring and rewilding our canyons and wetlands in SoCal. #bluecarbon #rewilding
Reposted by Serge Dedina, Ph.D.
Hi, Bluesky! We’re WILDCOAST—an int'l team founded by @sergededina.bsky.social and J Nichols in 2000 working to conserve coastal and marine ecosystems in California and Mexico.
Here's a photo of a some baby sea turtles whose nesting beach we protect to kick things off 🐢👀
Here's a photo of a some baby sea turtles whose nesting beach we protect to kick things off 🐢👀
April 9, 2025 at 4:40 PM
Hi, Bluesky! We’re WILDCOAST—an int'l team founded by @sergededina.bsky.social and J Nichols in 2000 working to conserve coastal and marine ecosystems in California and Mexico.
Here's a photo of a some baby sea turtles whose nesting beach we protect to kick things off 🐢👀
Here's a photo of a some baby sea turtles whose nesting beach we protect to kick things off 🐢👀
Here's our @wildcoastorg.bsky.social op-ed on the need to clean up the Tijuana River.
voiceofsandiego.org/2025/04/07/t...
voiceofsandiego.org/2025/04/07/t...
The Government Must Act Now to Address Tijuana River Pollution
Officials need to get creative about solutions to the ongoing pollution.
voiceofsandiego.org
April 8, 2025 at 8:12 PM
Here's our @wildcoastorg.bsky.social op-ed on the need to clean up the Tijuana River.
voiceofsandiego.org/2025/04/07/t...
voiceofsandiego.org/2025/04/07/t...
“Australians tend not to see fires as a government problem, but a shared one.” This reduces “pointless blame games after big fires,” he added, facilitating more constructive, collaborative responses and policy change.
www.nytimes.com/2025/01/25/o...
www.nytimes.com/2025/01/25/o...
Opinion | California, We Feel Your Pain Here in Australia
In California’s fire-stoked debate over how aggressively to manage both nature and urban sprawl, Australia can share both empathy and insight.
www.nytimes.com
January 25, 2025 at 2:16 PM
“Australians tend not to see fires as a government problem, but a shared one.” This reduces “pointless blame games after big fires,” he added, facilitating more constructive, collaborative responses and policy change.
www.nytimes.com/2025/01/25/o...
www.nytimes.com/2025/01/25/o...
Batiquitos Lagoon Ecological Reserve restoration event today with @wildcoastorg.bsky.social —replacing firebomb and biodiversity killing eucalpysus with carbon storing wetland and wildlife friendly native plants!!
January 23, 2025 at 1:00 AM
Batiquitos Lagoon Ecological Reserve restoration event today with @wildcoastorg.bsky.social —replacing firebomb and biodiversity killing eucalpysus with carbon storing wetland and wildlife friendly native plants!!
Our @wildcoastorg.bsky.social team organized a cleanup of the TJ River channel. The thousands of waste tires in the river are from California.
www.cbs8.com/article/news...
www.cbs8.com/article/news...
Wildcoast's border cleanup stops thousands of pounds of trash from flowing into U.S.
"The majority of the things we catch in those booms are plastic and tires. That trash ends up on the US side," Wildcoast says
www.cbs8.com
December 19, 2024 at 2:10 PM
Our @wildcoastorg.bsky.social team organized a cleanup of the TJ River channel. The thousands of waste tires in the river are from California.
www.cbs8.com/article/news...
www.cbs8.com/article/news...
A giant in the field of coastal management. Thanks for a lifetime of service to our coastlines Dr. Pilkey and to a life well lived!
www.nytimes.com/2024/12/16/s...
www.nytimes.com/2024/12/16/s...
Orrin H. Pilkey, Warrior in a Fight to Save Imperiled Beaches, Dies at 90
An eminent geologist, he argued against putting condos and hotels on vulnerable coastal landscapes. Environmentalists applauded; many others didn’t.
www.nytimes.com
December 17, 2024 at 3:36 PM
A giant in the field of coastal management. Thanks for a lifetime of service to our coastlines Dr. Pilkey and to a life well lived!
www.nytimes.com/2024/12/16/s...
www.nytimes.com/2024/12/16/s...
Here’s what’s ready to flow into the @TijuanaEstuary and the Pacific Ocean when it rains. This is the Tijuana River channel on 12/15/24 that is used as an “unofficial” but really official garbage dump in Tijuana. Garbage trucks dump their loads directly into the channel.
December 15, 2024 at 3:36 PM
Here’s what’s ready to flow into the @TijuanaEstuary and the Pacific Ocean when it rains. This is the Tijuana River channel on 12/15/24 that is used as an “unofficial” but really official garbage dump in Tijuana. Garbage trucks dump their loads directly into the channel.
A devastating #mustread: www.nytimes.com/2024/12/15/o...
Opinion | My 500-Mile Journey Across Alaska’s Thawing Arctic
I had read about how the rapid warming of the Arctic was upending the landscape and its people. Now I’ve seen it.
www.nytimes.com
December 15, 2024 at 2:18 PM
A devastating #mustread: www.nytimes.com/2024/12/15/o...