Instead of creating big new government programmes and projects, federal money tops up private channels.

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Keep them busy with upgrading skills, going over old projects and creating new ideas.

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Integrated procurement, collaboration between States, cities and towns, could save up to 20% of public budgets and would, at a minimum, save 5%, which could go to debt pay-down, releasing money to fund new employment-creating projects.

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The risk for the government is that by trying to slow new projects it is creating an environment where prices may rise because of supply shortages.

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With that comes opportunities of great interventions, new projects, rethinking urban transportation, creating vast new park systems, and experimenting with urban design strategies that might improve the quality of urban life.

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Building on administration efforts to streamline permitting, I issued an executive order to expedite review of job-creating infrastructure projects, and to track their progress on a new public dashboard.

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Mr. Oldenburg, who lives in New York, spent much of his later career creating huge public art projects with his wife, curator and critic Coosje van Bruggen, who died of cancer in 2009.

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To judge by the scale of projects so far, the new investors seem to be pinning their hopes on creating technologically sophisticated large farms.

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