More than two-thirds of mammals in Africa and the Arabian Peninsula went extinct during the Eocene-Oligocene transition some 30 million years ago, a study finds.

Take a tour of a forest killed by salt inundation brought by rising seas—a powerful reminder that climate change is affecting ecosystems around the world.

Rising sea levels are pushing salty tides and storm surges farther inland, leading to the forest death and a shift from forested habitats to marsh.

As the salty Atlantic Ocean pushes farther inland, forests are turning to marsh. Some scientists want to speed the transition.

A new analysis finds that ice melt in Greenland and Antarctica could lead to increases of 2 meters by the end of the century if carbon emissions are not reduced.

January 2016's selection of notable quotes