It is the largest grassroots global effort to combat pollution and remove trash from our planet’s ocean, shorelines and waterways.

This Saturday, the spotlight will shine bright on shorelines, beaches, and waterways all over the world as thousands of volunteers roll up their sleeves for International Coastal Cleanup Day.

Beneath the murky surface of the waters at Crandon Marina, a foreign invader has taken root

Miami Beach is testing a new ferry service connecting the Venetian Marina in Downtown Miami and Sunset Harbor in South Beach.

Miami’s four spoil islands will not reopen Thursday for the Fourth of July and they will remain closed until further notice, the city of Miami confirmed Wednesday.

It’s deja vu all over again as another fish kill hits Biscayne Bay, the fourth in as many years.

A World Oceans Day celebration on Miami Beach off Collins Avenue and 43rd Street brought out residents from all over South Florida to show their love and reverence for our “Planet Ocean.”

Legendary marine conservationist Dr. Sylvia Earle announced this week that her Mission Blue organization has designated Biscayne Bay, the Florida Keys, and the Ten Thousands Islands as “Hope Spots."

The potential sale of Bird Key, a tiny island in Biscayne Bay, is causing feathers to fly and has local environmentalists very concerned.

The pollution problem on Miami's spoil islands became such a big issue for the city that they decided to close all four to the public just before the busy Memorial Day weekend.

When boaters hit Miami’s waters for Memorial Day weekend, there are some spots that they won't be able to visit.

A body was pulled from the waters of Biscayne Bay Tuesday morning.

A person was taken to the hospital after a crash between two personal watercraft in Biscayne Bay Thursday afternoon, fire officials said.

The city of Miami is about to initiate a new strategy to dramatically reduce trash that’s left behind by boaters on the islands of Biscayne Bay. It’s risky and will require all water enthusiasts who enjoy the islands to get on board.

“Alright everyone, let’s go clean up the bay," exclaimed Loren Parra, Miami Dade County’s Chief Bay Officer, as she kicked off the 42nd Annual Baynanza Clean-Up event Saturday morning.

Estonian Olympic swimmer and Miami Beach resident Merle Liivand is better known as Merle the Mermaid.

A 24-year-old man was arrested Wednesday, nearly six months after a passenger on his boat died after falling into the waters of Biscayne Bay, authorities said.

Liveaboard boaters in Miami Beach breathed a sigh of relief Monday night after a state Senate bill that would have limited anchoring within 200 yards of any part of Miami Beach, lying between State Road A1A and Palm Island was amended.

Newly released video captured the moments two boats collided in Biscayne Bay, injuring more than a dozen people.

For weeks environmental and community activists have been pushing against a pair of bills in the Florida legislature that would ban local governments from regulating single-use plastics.

A Miami fisherman found a person dead early Friday morning in shallow Biscayne Bay water.

An island in Biscayne Bay’s northern basin that is home to marine birds is at risk because of increased boating activity, and Miami commissioners meeting on Thursday are set to decide whether or not to protect it.

Already considered a hub for Latin, hip-hop and electronic music, Miami is now going country.

The Florida Fish and Wildlife Conservation Commission is investigating after a woman was killed when her personal watercraft crashed near the Venetian Marina in Miami Sunday evening.

Two people were injured on Wednesday after the boat they were traveling on was in some kind of crash.

Two people were injured on Wednesday after the boat they were traveling on crashed with a channel marker in Biscayne Bay.

A video surfaced this weekend of what looked like construction debris being floated into Biscayne Bay.

Officials are keeping a close eye on Biscayne Bay after videos began circulating online that appeared to show a massive leak.

Environment regulators in Miami-Dade County issued the Melo group’s Aria Reserve construction multiple citations this week after they said the workers and not complying with measures that need to be put in place to keep construction, wastewater and sediment out of Biscayne Bay.

Thanks to a state grant, Miami-Dade County is launching a new pilot program aimed at cleaning up storm water polluting Biscayne Bay.

One man died and two others were hurt in a boat crash in Biscayne Bay Tuesday afternoon, according to the Florida Fish and Wildlife Conservation Commission.

A racing boat that partially sank Friday morning in Biscayne Bay had made an “abrupt turn” before the two passengers onboard the boat were ejected, the Florida Fish and Wildlife Conservation Commission confirmed Saturday.

First responders took at least two people to a local hospital following a boat crash in Biscayne Bay Friday morning, according to Coral Gables police.

There is an ongoing mission to save Biscayne Bay, but frustrations are mounting after another disheartening video went viral showing boaters trashing the watershed.

There were balloons. A performer on stilts shot a smoke cannon. Another performer was twirling fire batons. It was all part of a couple’s wedding anniversary overlooking Biscayne Bay in Downtown Miami.

Nearly a year after a Labor Day weekend boat crash on Biscayne Bay that killed a 17-year-old girl and injured nearly a dozen others, charges have been filed against the vessel’s operator, prosecutors announced Friday.

Police are investigating after a man died Wednesday after being pulled from Biscayne Bay by two divers during lobster mini-season.

For 45 straight days Miami has been in the grips a heat index of over 100 degrees, and that spells danger for fragile Biscayne Bay.

Biscayne Bay is in crisis, and it's all hands on deck to save it.

Florida has been sizzling in record, crushing heat, and it is already having destructive impacts on our local ecosystems.

A video shows a manatee trying to swim past an oil spill in one of Miami’s most treasured waterways, and area residents want accountability.

Last week, Local 10 News reported on fish in South Florida waters that are swimming around in a cocktail of drugs.

Miami police are investigating after a man who was on vacation in South Florida jumped into Biscayne Bay early Thursday morning and drowned.

A pair of studies revealed startling information about the prolific presence of pharmaceuticals in water.

Earth Day is coming up on Saturday and as we look for opportunities of service to show our love for our planet, thousands did just that last weekend, cleaning up the shores of Biscayne Bay.

The recent rain soaking South Florida illustrates once again how all our pollution just dumps into the watershed every time there is a heavy downpour.

Wednesday is World Water Day, a day that highlights the importance of fresh water and the sustainable management of fresh water resources.

The parents of a girl who was among roughly a dozen injured in a September boat crash in Biscayne Bay filed a lawsuit against the adults supervising the children, as well as the volunteer fire department that responded to the scene.

State and local leaders officially broke ground on a project that aims to help restore the Florida Everglades and Biscayne Bay Tuesday in southern Miami-Dade County.

The Coral Gables Police Department marine patrol units helped save three people after a yacht caught fire in Biscayne Bay Saturday.

Tickets for the Country Bay Music Festival went on sale Tuesday. The event is scheduled for Nov. 11-12 at the historic Miami Marine Stadium, just southeast of downtown on Virginia Key in Biscayne Bay.

Already considered a hub for Latin, hip hop and electronic music, now Miami is going country.

The speakers on Wednesday at the Aspen Ideas: Climate Conference in Miami Beach include Vice President Kamala Harris, Gloria Estephan and Miami-Dade Mayor Daniella Levine Cava.

A no swim advisory issued on Tuesday for the waters surrounding Jungle Island has now been lifted.

The Miami-Dade Water and Sewer Department has issued a no swim advisory after a 12-inch wastewater pipe broke, spilling thousands of gallons of wastewater into Biscayne Bay.

The Miami International Boat Show is back next week, and with it the controversy over the staging of sea trails over a protected manatee habitat in Biscayne Bay.

A vehicle was seen being pulled out of Biscayne Bay on Tuesday afternoon.

With Biscayne Bay still recovering from the October fish kill, it's another reminder that our bay is at a dangerous tipping point.

Rescuers from multiple agencies pulled a missing diver from Biscayne Bay Tuesday afternoon, according to Miami Fire Rescue.

The staff at the Bill Baggs Cape Florida State Park was expecting Gov. Ron DeSantis on Thursday in Key Biscayne.

There are still no arrests from a story Local 10 News exclusively reported on Tuesday about boaters caught on camera illegally dumping trash on a small island inside Biscayne National Park.

This week we bring you a surprising twist to Don’t Trash Our Treasure as we went out to cover one story and stumbled upon an even bigger more pressing situation.

After yet another massive fish kill in Biscayne Bay caused by widespread pollution, researchers are working to assess the damage.

After witnessing more than 4,000 pounds of dead fish that have been pulled out of the water by a contractor working for Miami Dade county, experts said on Tuesday they believe the fish kill is coming to an end but are also investigating the matter at hand.

Piero Gardinali, who is obsessed with water quality, has been watching Biscayne Bay for decades and he was alarmed on Friday while gathering data about a new fish kill.

Experts reported Thursday in Miami-Dade County that the fish kill was in Biscayne Bay’s northern basin — mostly in the discharge areas of canal C-8 off Miami Shores and C-7 off Little River.

More than 1,000 fish died in the northern Biscayne Bay basin on Wednesday in Miami-Dade County.

Miami-Dade Mayor Danielle Levine Cava and the Hold the Line Coalition held a news conference Tuesday morning regarding the urban development boundary, housing supply and the future of the county and Biscayne Bay.

It is the weekend after Hurricane Ian ravaged the southern Gulf Coast and while South Florida was spared from the storm's devastation, scientists with Florida International University's Institute of Environment are making sure water management didn't unleash a different type of catastrophe.

Last Saturday, hundreds of volunteers sweated it out on the South Florida sand to clean up our beautiful beaches.

More and more Floridians are buying boats and enjoying our unlimited access to the ocean, but not everyone is a responsible boat owner.

Miami-Dade Fire Rescue crews, along with the U.S. Coast Guard, responded to a boat accident Sunday night in the waters near Biscayne Bay.

A 33-acre public space project will use the shade of Interstate 395 in downtown Miami.

Polluters be warned, Miami-Dade County is not playing around.

Miami is just one of several South Florida cities stepping up to try and fight the growing litter program with a new technology.

U.S. Border Patrol Agents from the Miami sector patrolling the waters off Key Biscayne noticed something unusual floating in the water Thursday afternoon.

A Florida International University study looking at the presence of toxic “forever chemicals” in Florida oysters found that oysters from Biscayne Bay contained the highest concentration of contaminants among three sites researchers tested.

Part of the Don't Trash Our Treasure franchise has included discussing the benefits of restoring mangroves to South Florida's shorelines, especially when it comes to protecting us from storm surge and sea level rise.

Protecting Biscayne Bay isn't just about what goes into the water. It's also about monitoring what we do with the land surrounding this fragile eco-system.

The decision to use dozens of balloons to decorate a yacht during a recent marriage proposal in Miami turned out to be really costly for a group of people. The lesson authorities want the public to learn: It’s a crime to dispose of balloons in Biscayne Bay.

Environmental advocates are hoping that a video which has gone viral will create some lasting change on a harmful eco-system issue.

Police have made another arrest over the balloon-popping incident in Biscayne Bay.

Tom Rivas said he chartered a yacht for an engagement proposal. Cloud Nine, which specializes in romantic proposals, helped him to plan the event. It all went smoothly. She said, “Yes!” But hours later, the fitness coach’s event was associated with pollution in Biscayne Bay.

Tom Rivas said he chartered a yacht for an engagement proposal. Cloud Nine, which specializes in romantic proposals, helped him to plan the event. It all went smoothly. She said, “Yes!” But hours later, the fitness coach’s event was associated with pollution in Biscayne Bay.

Fertilizers are used to keep lawns green and promote healthy garden growth, but those same fertilizers are deadly to our bays and waterways because they feed algae and kill sea grass.

Detectives with the Miami-Dade Police Department’s Illegal Dumping Unit are taking the lead in a multi-agency investigation after video surfaced this week of a boat crew popping balloons while on the vessel, authorities confirmed to Local 10 News on Wednesday.

Biscayne Bay is at a dangerous tipping point between a healthy seagrass ecosystem, which we all now enjoy, to one dominated by algae that will no longer support life as we know it.

Baynanza is a celebration of Biscayne Bay and its significance as one of the most important ecological systems in South Florida.

Dozens of volunteers picked up 525 pounds of trash on Friday off Biscayne Bay shore. It was their way of celebrating Earth Day, a worldwide annual event that has been promoting environmental protection since 1970.

This Earth Day marks one year since Local 10 News launched its “Don’t Trash Our Treasure” series, and throughout this journey, we’ve met some pretty remarkable South Floridians doing their part to protect our precious backyard.

A luxurious property in Miami’s Coconut Grove can now be yours if you’ve got millions of dollars to spare.

We have long been reporting on the critical pollution problem infecting all South Florida waterways, leading to the rapidly declining health of Biscayne Bay.

As the rainy season and summer months approach, there is real concern of another fish kill in Biscayne Bay if we don’t get a handle on all the pollution that still flows into the watershed.

On Earth Day, April 22, Local 10 News launched a new initiative, "Don't Trash our Treasure" -- a weekly series of environmental reports where we focus on the challenges our natural world is facing right now and on how we all play part in restoring and protecting our most valuable resource: our home, planet Earth.

A class at The Cushman School in Miami has become inspired to write letters to Gov. Ron DeSantis and Miami-Dade Mayor Daniella Levine Cava pushing for measure to protect Biscayne Bay.

A board that will provide recommendations on matters related to Biscayne Bay’s water quality met for the first time on Monday in downtown Miami.

It’s a common sight along the shores of Biscayne Bay, which is causing harm.

Saturday morning at the Deering estate, Miami-Dade County Mayor Daniella Levine Cava kicked off the event.

There also may be a pattern from the developer when it comes to clearing out residents.

City of Miami Commissioner Ken Russell and inspectors with Miami-Dade County Environmental Resources Management are working to ensure that sediment-rich water pooling at a luxury condo construction site in Miami’s Brickell neighborhood doesn’t end up in Biscayne Bay.