From tiny seeds come big results: replanting seagrass meadows that help fish, protect coastlines, and absorb climate-heating carbon dioxide.

Taking sand from one place to save another often creates more problems — but there are ways to fix that.

Increasing demand for this seemingly abundant and common material harms human and natural communities — and fuels a lucrative and dangerous illegal industry.

As oyster reefs have declined, other marine species have suffered and coastal storm damage has increased. Innovative programs are starting to help.

Researchers in Florida are testing an artificial reef planted with live corals.

Improving the success of sexual reproduction is another tool for restoring the world’s coral reefs.

Volunteers flock to Key Largo to go underwater and help restore one of the world’s most important ecosystems.

To preserve habitat for fish and benefits for humans, some scientists suggest we need to explore the need for assisted migration.

Underwater meadows have rapidly disappeared around the world, but new research suggests they may be the easiest coastal habitat to restore.

Coastal mangrove forests help protect communities and habitats from storm surges, but sea-level rise could wipe them out.