c. 1900—America’s most forward-thinking designers—Bernard Maybeck, Frank Lloyd Wright, and Louis Sullivan—champion a new kind of architecture, one imbued their work with the spirit and forms of the natural world.
1993—Architect Samuel Mockbee establishes the Rural Studio at Auburn University in Auburn, Alabama. The program has built 80 houses to date by working with communities using regionally-sourced materials and sustainable building techniques.
1964—Architect and theorist Bernard Rudofsky writes "Architecture Without Architects." The book challenges the dominance of mechanization and industrialization in modern architecture, celebrating instead the organic and the low-tech.
2002—Architect William McDonough (shown) and German chemist Michael Braungart pen "Cradle to Cradle: Remaking the Way We Make Things." The book calls for re-imagining product design at the molecular level.
2003—The initial proposal for the new World Trade Center Tower 1 from architect Daniel Libeskind and engineer Guy Nordenson include gigantic wind turbines that would supply 20% of the building’s energy. The turbines were nixed during the subsequent design process.