David Bragdon outlines his vision for a public transit agency that meets 21st century needs for flexible, multi-modal, and on-demand mobility.

Marshall Cox, the inventor of a simple way to regulate the temperature of a steam-heated apartment, explains how reducing the energy wasted in aging infrastructure can offer new and important approaches to green technology.

What if a hundred people came together to create a weekend of experiences engineered specifically for you? Architect and writer Abraham Burickson discusses the performance collective he co-founded and the ways we ascribe profound meaning to place.

Adam Greenfield critiques the prevailing definition of the "smart city" and calls for an alternative vision that understands and responds to the messy realities of human existence.

Architect Rachel Barnard describes her new public art program for adolescents in the criminal justice system and reflects on the potential legal, social, and urban significance of an art- and architecture-based approach to restorative justice.

Urban ecologist Alexander Felson proposes a new kind of ecological practice, one that moves from analyzing nature to shaping it and embeds scientific experiments into the design process.

In 1987, the League launched a design study to examine the potential of small-scale infill housing to contribute to the city’s affordable housing portfolio. We look back at what was proposed, and what was built instead.

Theo Games Petrohilos shares a darkly comic vision of an imagined future where the sale of air rights for Manhattan properties develops into economic hysteria.

Dylan Thuras explains the story behind an online compendium of weird and wondrous places, reflecting on the nature of exploration, discovery and wonder.

Tyler Caruso and Erik Facteau explain their scientific study of the value of urban farms, an effort to produce hard data that can challenge nay-sayers and inform policies and regulations that support agriculture in the city.