Game theory shows how tragedies of the commons might be averted

Lake Lanier in Georgia is the primary water reservoir serving suburban and metropolitan Atlanta. When the lake's water level drops below a certain point, calls go out for water conservation and news reports show images of ...

Sustainable cities must look beyond city limits

City leaders aspiring to transform their cities into models of sustainability must look beyond city limits and include in their calculation the global flow of goods and materials into their realm, argue researchers in the ...

Setting sail in an ecological 'Earthship'

Could sustainable architecture address pollution, climate change and resource depletion by helping us build self-sufficient, off-grid, housing from "waste", including vehicle tires and metal drinks containers? That's the ...