Underwater photos showcase one of the world’s most-threatened ecosystems Story by Nell Lewis; video by Jo Munnik, CNN 3 minute read ...

Tipping points are the death of ecosystems. So scientists watch as warning signs gradually worsen until an ecosystem reaches ...

For many people, "plastic pollution" calls to mind pictures of turtles and other marine life drowning in single-use plastic bottles and discarded fishing nets. My own research looks at how the ...