Many of the victims' families fear that amid the talk of office space, building design, street grids, transit hubs and financing, their voices are becoming fainter.

BBC: The battle over Ground Zero

In his brilliant 1991 design for Frankfurt's Commerzbank, the tallest office building in Europe, he brought off the seemingly impossible feat of building a supertower that could use natural ventilation (as against fuel-gobbling air conditioning) during 60% of the year.

CNN: ASIANOW - TIME Asia

Other resource-efficient projects like New York's 4 Times Square office building, Atlanta's EarthCraft House and Village Habitat Design's cohousing conservation communities include such innovations as energy-efficient insulation, water and air filtration, or hydronic heating, aiming for healthy, nontoxic construction processes and buildings for humans and the environment.

CNN: Developer advocates 'spiritual' approach to building

During the reconstruction, she and four employees set up a makeshift office on the second floor of the building so they could offer design-consulting services.

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Former residents of Dale Farm have been involved in the design, which includes a public children's play area, a community building, a site manager's office, trees, grassed areas and hedging.

BBC: Dale Farm travellers' pitch plan for Basildon