A coastal scientist explains why marshes, mangroves and other wetlands can’t keep up with the effects of climate change, and how human infrastructure is making it harder for them to survive.

"The sea otters are stabilizing [these creek banks] for free in exchange for an all-you-can-eat crab feast."

South of Cape Cod, fiddler crabs and marsh grass have long had a mutually beneficial relationship. It’s a different story in the North, where the harms can ricochet through ecosystems.

The humble mussel and other organisms are important ecosystem engineers, helping sustain salt marshes in the face of climate change.

The swamp has not yet been drained everywhere.

The US Supreme Court opens its 2022-2023 term with a case that could greatly reduce federal protection for wetlands. Here is what makes these ecosystems valuable.

Somerset Wetlands national nature reserve merges and extends six existing protected sites.

Wetlands in drylands seem impossible, but their benefits to people and wildlife are very real.

The UK's marshes, bogs and fens provided the bare necessities of daily life for many centuries.

Salt marshes act as barriers against storm surges and natural disasters for coastal communities. But rising sea levels are breaking them down.