Biscayne Bay

The money will be used for restoration projects that have dragged on for years, including building a reservoir and undoing damage from old bridges built in the Everglades.

So far, 250 dead fish have been confirmed in the Tuttle Basin at the bay's north end, where poor circulation means water gets flushed less often.

The Corps and Miami-Dade would have shared the $4.6 billion cost for the work that included fortress-like flood walls and gates. How much the Corps pays will now depend on the plan the county proposes.

During a two-year study to investigate water quality and algae, University of Florida researchers found dense concentrations of microplastics in southern Biscayne Bay and northeastern Florida Bay.

A new study by the University of Miami and National Oceanic and Atmospheric Administration that tracked sawfish in Biscayne Bay for the first time found sightings increasing, suggesting the bay may provide an important migratory route or other important habitat.

Conservation groups plan to sue Florida Power & Light after the discovery of a radioactive isotope in Biscayne Bay linked to a nuclear power plant...