environment

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

From napalm to nature: How the bald eagle helped turn a weapons factory into a wildlife refuge

The Rocky Mountain Arsenal Wildlife Refuge, outside of Denver, didn't start out as a conservationist’s dream: During World War II, the army built a chemical weapons factory on that spot. The plant produced mustard gas, napalm — an entire arsenal of deadly chemicals. Now it’s one of the largest wildlife sanctuaries in the country.