Science, Tech & Environment

How a determined marine biologist and volunteers saved a giant kelp forest off California's coast

Twelve years ago, marine biologist Nancy Caruso and a group of students and volunteer divers began restoring the kelp forests off the coast of Orange County, California. In August 2014, when huge mounds of the giant seaweed started piling up on Laguna Beach — to the consternation of tourists and beach-goers — Caruso knew the project had succeeded.

Science, Tech & Environment

This musician's quest is for clean cookstoves

Ghanaian reggae musician Rocky Dawuni is in Paris this week for the climate change summit. He's there to raise awareness how the carbon in smoke aggravates climate change. And he points out that in many parts of the world, a kitchen consists of three stones with a wood or charcoal fire below, and a pot on top to cook in. This setup is not only bad for the environment, but it's also deadly.

Science, Tech & Environment

Geo Quiz and answer

For our Geo Quiz, quiz, we're looking for a rocky archipelago off Norway's northwest coast. The answer is Lofoten, where marine biologist Hieke Vester studies and records communication among marine mammals. The World's David Leveille has the story.

Conflict & Justice

Geo answer

For today's Geo Quiz we're looking for Australian coastline. The answer is the Kimberley Coast, where an oil pipeline is spewing crude oil and natural gas into the sea. Jeb Sharp speaks with John Carey, director of the Kimberley Conservation Project.


Top UN climate negotiator steps down

The top United Nations climate negotiator has resigned following his failure to secure a comprehensive treaty at the Copenhagen climate summit. The World's environment editor Peter Thomson reports on the challenges ahead for climate negotiators.