Beautiful nature photos feature people in lieu of animals.

Warped and folded digital landscapes captured by Clement Valla.

Dangling cameras from kites, Dutch photographer Gerco de Ruijter blurs the boundary between landscape and abstraction.

Eco-cafe in Sydney vies for the title.

Future ecotopia or vision of tragedy? Installation brings climate change into focus.

Stephen Mallon chronicles the repurposing of NYC subway cars.

Back to the drawing board.