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

In Part Two of Clip-On Architecture, Vanessa Keith looks at tropical deforestation and catalogues some sustainable solutions currently being applied in the developing world.

Parks Commissioner Adrian Benepe shares with Alec Appelbaum some thoughts on several recent and upcoming additions to the city's collection of parks created on unlikely sites.

Frank Duffy and Rosalie Genevro reflect on the buildings of Lower Manhattan, critically assessing what our use of commercial space can tell us about our changing city.

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