As the Ocean Health Index makes its public debut, three of its parents describe the moment of 'Eureka!' in summing up the well-being of the global ocean and its human dependents.
There is already evidence that storms driven by climate change are causing bigger swells—which makes surfers happy. What makes surfers worry is sea level rise.
Must we triage the world’s biodiversity? An ecologist asks if it’s worth trying to save a species caught in an ‘extinction vortex,’ in this case monk seals, by culling Galapagos sharks that have their own survival issues.