Artificial floating wetlands naturally filter water from contaminants and excess nutrients. There are about a dozen in the state, and the Missouri Department of Conservation wants to add more. On a ...

Artist Doug Rosenberg (center) leads a group of volunteers to his guerrilla wetland in the Los Angeles River. (Courtney Theophin/NPR) LOS ANGELES — To many locals, the Los Angeles River — hugged by ...

What happens when a country builds millions of mini wetlands What if we created 23 million mini ponds across the country? Experts say it could help restore wetlands, bring back frogs and birds, and ...

LOS ANGELES — To many locals, the Los Angeles River — hugged by concrete embankments and heavy vehicle traffic — hardly seems like a river at all. The waterway bisecting the city was converted to a ...