Nature

Scientists were ringing alarm bells about colony collapse disorder a decade ago. Brian Walsh of Vox explains what happened.

At a recent ocean biodiversity summit, federal officials touted the plan to quantify the country’s natural assets and the services provided by healthy ecosystems, like tree canopies that can cool urban areas or kelp forests that prevent coastline erosion.

The Maryland Zoo in Baltimore is planning to spend millions to build new habitats next to historic wrought-iron cages.