Environment

This 19th century hydroelectric powerhouse was the first of its kind.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

This abandoned fishing settlement may well be the greenest village in the world.

The whole world in one water tank.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Nearly 2 billion seeds from 38,000 species are stored and processed at this visitable facility in a quiet corner of England.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.

One thousand trees were planted in Norway to be used to print books a century from now.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

One family's mission to exemplify sustainability took on a whole new life as a surprisingly beautiful home.