Minnesota cities are trying to balance the higher cost of green construction with their desire for environmentally friendly public buildings. In Edina, Minn., city officials are rebidding a contract for a geothermal heating and cooling system after an initial bid came in at $825,000. The city had expected to spend $248,000 on the system. Some cities also say they will not seek LEED certification for their new buildings because of the costs involved with documenting green features.

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