Vanessa Keith explores some simple yet radical ways to retrofit our urban building stock to address a chief cause of climate change: tropical deforestation.

Sandro Marpillero, Linda Pollak and Margie Ruddick share perspectives on their transformation of Queens Plaza, recasting the relationship between ecology, art and infrastructure.

Architects Jenny Broutin and Carmen Trudell reflect on the development of their prototype for energy generating revolving doors, offering a case study for other innovators.

Richard Sennett takes us on a walk through the West Village.