Bottled water sales are way up, thanks in part to the industry marketing it as cleaner than tap water. But plastic poses a real danger, according to experts and studies.

The world depends on healthy insect populations. As climate change and other threats cause their declines, simple actions can give them a much-needed boost.

Tracking this small population of big birds is revealing potentially significant changes in their habits.

By focusing on reusable products, some organizations are helping to break our addiction to single-use plastic.

These marine reptiles lead complicated lives, making protecting them a real challenge. But new science has revealed important information.

Plastic pollution is poisoning the planet. Some experts suggest making plastics from more “natural” materials, but research shows those still have risks.

Even as scientists rush to identify the migratory paths of some endangered shark species to help better protect them, climate change and other threats shift this behavior, adding urgency to the research.

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

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.