Grounds for Change: Activating Vacant Land

Explore / Power

Alternative energy sources available in urban contexts include solar power, wind power, and biofuels. Efficient green-building solutions and varied methods of bioremediation—preparing polluted urban soil for other uses—also appear in this diverse Category.

Research continues into the biofuel potentials of sunflowers and other crops grown at ALMONO.

ALMONO Brownfield

Pittsburgh, PA

A former steel manufacture complex fosters experimental models in brownfield remediation and biofuel production.

Grupo Desiño Urbano’s illustrative master plan identifies three main landscape zones, a mix of geometric shapes and curvilinear forms.

Xochimilco Ecological Park

Mexico City,

A large-scale ecological restoration and productive landscape inspired by Xochimilco's landscape history.

Eco Boulevard combines elements of urban forestry—saplings in the foreground—and a temporary, wind-powered community center to help revitalize this large urban thoroughfare.  (Emilio P. Doiztua & Roland Halbe)

Eco Boulevard


A temporary climate control structure and urban plaza in Madrid.

Hydroponic greenhouses include systems for cleaning waste water and re-using grey water for agricultural production.

Green for Green

Philadelphia, PA

Small-scale, low-cost solutions to stormwater management and soil degradation.