Greg Allen

Students at Marjory Stoneman Douglas High School began the new school year Wednesday. Seventeen students were killed in a mass shooting at the Parkland, Fla., school a little more than six months ago.

A toxic algae bloom is killing fish, turtles and dolphins and discouraging tourists from visiting Florida's Gulf Coast. It's not the first such event, but it is especially intense.

Florida prosecutors charged a man involved in a parking lot shooting last month with manslaughter. Police initially said they could not arrest Michael Drejka because of the state's Stand Your Ground law.

Under state law, a person in fear for his or her life is justified in using deadly force to stop an attack. It has been controversial in several cases, most notably the 2012 death of Trayvon Martin.

A floating, smelly mass of seaweed called sargassum is covering beaches in the Caribbean and areas along the Gulf of Mexico.

Large algae blooms in lakes and rivers have become an annual warm weather headache in nearly every U.S. state, endangering water supplies and local economies. A new competition hopes to help.

One of out every 10 adults in Florida is not eligible to vote because of a state law that prevents former felons from doing so without a lengthy process. There are efforts underway to change that.

A study by the Union of Concerned Scientists examined how real estate values were affected in 23 coastal states. Florida has the most to lose, according to the research.

Some top researchers now say that climate change has led to stronger hurricanes. Now, there's a push to expand the wind scale to include a Category 6 for winds as powerful as those seen last year.

Florida has a growing bloc of Puerto Rican voters in the wake of Hurricane Maria. Democratic Sen. Bill Nelson and his main challenger, GOP Gov. Rick Scott, are fighting over recovery efforts.

Incumbent Democrat Bill Nelson and outgoing GOP Gov. Rick Scott are lining up endorsements from Puerto Rican leaders, making trips to the island and attacking responses to Hurricane Maria.

Seniors at Marjory Stoneman Douglas High School graduated Sunday, nearly four months after the deadly shooting at their school. They received graduation advice from a surprise speaker.

Eight months after it was devastated by twin hurricanes, the national park on St. John in the Virgin Islands is still recovering. Volunteers have stepped in to help clear trails and rebuild.

Eight months after hurricanes Irma and Maria, an emergency repair program has just started in the Virgin Islands. A program to rebuild thousands of destroyed homes is still months away.

As the 2018 hurricane season begins, experts and emergency managers have been studying last year's evacuations before Hurricane Irma. Nearly 7 million people left their homes to escape the hurricane.

Nikolas Cruz discusses his plans in cellphone videos made before the shooting at Marjory Stoneman Douglas High School. He says he'll be the next school shooter of 2018.

Florida's coral reefs are being decimated by a mysterious disease. It comes after years of warming waters have bleached coral reefs around the world, leaving them weakened.

A commission appointed to investigate the events leading up to and the response to the shooting in Parkland, Fla., began work Tuesday. Among the first areas of focus was the lack of coordination between law enforcement, which hampered their response to the shootings.

More than two months after the deadly Parkland, Fla., shooting, students and parents from Marjory Stoneman Douglas High School say they're unhappy with how the school district has handled the aftermath. They believe more should be done on school safety and to help students traumatized by the mass shooting.

The industry is holding its annual conference this week at Trump National Doral Golf Club near Miami. Critics say a Trump appointee is helping the industry by moving to ease regulations.