Invasive Seaweed, Caulerpa

Invasive Seaweed Species Threatens San Diego Bay

BLOG

Invasive Seaweed, Caulerpa

Invasive Seaweed Species Threatens San Diego Bay

Discover the impact an invasive seaweed is having in San Diego bay, what agencies are doing to stop it, and how you can help.

Read More
Watershed Education Programs Recap

Watershed Education Programs Recap

Left to right: Natalie Herendeen (Monterey Waterkeeper), Drevet Hunt (California Coastkeeper Alliance), Erina Kwon (Los Angeles Waterkeeper), Patrick McDonough & Courtney Brown (San Diego Coastkeeper) By Elyse Farwell, Education Manager at San Diego Coastkeeper Image …

Read More
Natalie Herendeen (Monterey Waterkeeper), Drevet Hunt (California Coastkeeper Alliance), Erina Kwon (Los Angeles Waterkeeper), Patrick McDonough & Courtney Brown (San Diego Coastkeeper)

Legal Insights from Yosemite: Key Takeaways for All

By Courtney Brown & Patrick McDonough, Staff Attorneys at San Diego Coastkeeper Image shows Courtney & Patrick on the right, joined by lawyers from the California Coastkeeper Alliance From October 16 – 19, 2025, nearly …

Read More

Nesting Seabirds Disappear from Mission Bay

Over 15,000 Elegant Terns nested on Mission Bay’s West Ski Island in 2024, but this year they abandoned the site. Learn about how human disturbances like fireworks threaten critical seabird habitat and how you can help protect it.

Read More
California Capitol building in Sacramento with state flag flying.

Right to Clean Water Act (SB 601) Heads to Assembly

Known as the Right To Clean Water Act, SB 601 is a bipartisan bill that aims to enshrine previously robust federal clean water protections into California law. If passed, SB 601 would safeguard the state’s streams, wetlands, and drinking water. Read San Diego Coastkeeper’s overview of the bill here.

Read More
Morning After Mess Volunteers at the Mission Bay event hosted by San Diego Coastkeeper.

2025 Morning After Mess Recap

Check out our recap of the 2025 Morning After Mess, a collective cleanup event taking place at nine San Diego beaches. San Diego Coastkeeper hosted the Mission Bay event, collecting 250+ lbs of trash. Read more.

Read More

2025 Morning After Mess Recap

Read More
SoCal Sea Turtle Blog Header San Diego Coastkeeper

How to Help (and See) Green Sea Turtles In California This Summer!

Summer is the best season to see sea turtles in California, especially San Diego. Here’s where to see them and how to help protect them.

Read More
Algal blooms in California often give the ocean a red hue, earning the common name "red tide."

Understanding Harmful Algal Blooms In California

San Diego Coastkeeper’s Dylan Berk explores the severe algal blooms in California in 2025. Why were harmful algae blooms in California so bad this year?

Read More
A sea lion mother and pup on the shoreline in La Jolla Cove

La Jolla Sea Lions: Protecting Wildlife During Pupping Season and Beyond

Learn how to protect the La Jolla sea lions, how domoic acid affects Sea Lions in La Jolla, and how to support groups like San Diego Coastkeeper for healthier marine habitats.

Read More
Invasive Seaweed, Caulerpa

Invasive Seaweed Species Threatens San Diego Bay

Discover the impact an invasive seaweed is having in San Diego bay, what agencies are doing to stop it, and how you can help.

Read More
Watershed Education Programs Recap

Watershed Education Programs Recap

Left to right: Natalie Herendeen (Monterey Waterkeeper), Drevet Hunt (California Coastkeeper Alliance), Erina Kwon (Los Angeles Waterkeeper), Patrick McDonough & Courtney Brown (San Diego Coastkeeper) By Elyse Farwell, Education Manager at San Diego Coastkeeper Image …

Read More
Natalie Herendeen (Monterey Waterkeeper), Drevet Hunt (California Coastkeeper Alliance), Erina Kwon (Los Angeles Waterkeeper), Patrick McDonough & Courtney Brown (San Diego Coastkeeper)

Legal Insights from Yosemite: Key Takeaways for All

By Courtney Brown & Patrick McDonough, Staff Attorneys at San Diego Coastkeeper Image shows Courtney & Patrick on the right, joined by lawyers from the California Coastkeeper Alliance From October 16 – 19, 2025, nearly …

Read More

Nesting Seabirds Disappear from Mission Bay

Over 15,000 Elegant Terns nested on Mission Bay’s West Ski Island in 2024, but this year they abandoned the site. Learn about how human disturbances like fireworks threaten critical seabird habitat and how you can help protect it.

Read More
California Capitol building in Sacramento with state flag flying.

Right to Clean Water Act (SB 601) Heads to Assembly

Known as the Right To Clean Water Act, SB 601 is a bipartisan bill that aims to enshrine previously robust federal clean water protections into California law. If passed, SB 601 would safeguard the state’s streams, wetlands, and drinking water. Read San Diego Coastkeeper’s overview of the bill here.

Read More
Morning After Mess Volunteers at the Mission Bay event hosted by San Diego Coastkeeper.

2025 Morning After Mess Recap

Check out our recap of the 2025 Morning After Mess, a collective cleanup event taking place at nine San Diego beaches. San Diego Coastkeeper hosted the Mission Bay event, collecting 250+ lbs of trash. Read more.

Read More

2025 Morning After Mess Recap

Read More
SoCal Sea Turtle Blog Header San Diego Coastkeeper

How to Help (and See) Green Sea Turtles In California This Summer!

Summer is the best season to see sea turtles in California, especially San Diego. Here’s where to see them and how to help protect them.

Read More
Algal blooms in California often give the ocean a red hue, earning the common name "red tide."

Understanding Harmful Algal Blooms In California

San Diego Coastkeeper’s Dylan Berk explores the severe algal blooms in California in 2025. Why were harmful algae blooms in California so bad this year?

Read More
A sea lion mother and pup on the shoreline in La Jolla Cove

La Jolla Sea Lions: Protecting Wildlife During Pupping Season and Beyond

Learn how to protect the La Jolla sea lions, how domoic acid affects Sea Lions in La Jolla, and how to support groups like San Diego Coastkeeper for healthier marine habitats.

Read More