"Sunny day flooding," which occurs during high tides, increases the levels of fecal bacteria in coastal waters, a new study shows.

In just the next 26 years, as many as 500,000 people living in 32 coastal cities in the US could experience significant flooding.

New research finds a link between rising sea levels and the loss of vital seagrass habitats in the Gulf of Mexico.

Major cities on the US Atlantic coast are sinking, in some cases as much as 5 millimeters per year, a new study shows.

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

"Urgent action is needed to conserve those coastal regions that do remain intact and restore those that are degraded..."

Most of us don't think about what happens after we flush the toilet. Results of a deep dive into the environmental impact of human wastewater aren't pretty.

Storms that change the landscape on barrier islands may devastate human infrastructure, but they can also create opportunities for wildlife to thrive.

"Ghost forests" filled with dead trees are becoming a growing phenomenon in parts of the Northeast. New research offers two explanations.

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