In the western Atlantic and Caribbean, a voracious alien predator has taken hold. Native to the Indo-Pacific, the invasive lionfish is a major threat to biodiversity.
Season 3 Episodes
In the emerging science of coral reef restoration, experts are discovering naturally occurring mechanisms that promote coral growth.
The catastrophic oil spill in the Gulf of Mexico may no longer make headline news, but the story is far from over. Experts study the potential long-term impacts.