Hurricanes and alterations to natural hydrology have hammered Florida’s mangroves, but they can be restored.

Scientists also declared several other extinctions, including the first documented plant extinction in New Hampshire.

The waters around the United States are home to many threatened species who need science-based conservation policies to save them from extinction. They won’t get that for the next four years.

Storm surges and sea-level rise damage sanitation systems and threaten ecosystems and human health. We need to take this risk seriously.

Melting glaciers, plant genetics, protection from forever chemicals, and more: An annual look at the conservation horizon reveals priorities for the years ahead.

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

Rising sea levels may cause the local extinction of three small, threatened vertebrates in southern Brazil.

An upcoming project would change the flow of the Mississippi River and its sediment to make up for land the coast is losing due to climate change and sea-level rise.

As remote Alaska warms and melts, it kicks off changes that will affect global systems and worsen climate change.

This month brings important new books by Naomi Klein, photographer Joel Sartore, Jonathan Safran Foer and water activist Maude Barlow.