A smart city can provide the latest technology for people to collect information and manage resources and should have a clean and sustainable environment.

智慧城市可以为人们提供最新的技术，以收集信息和管理资源，而且应该有一个清洁和可持续的环境。

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Millennium Villages require continuing external inputs-not just fertilizer and other technology, but the money to pay for them-and that is not a sustainable solution.

千禧村需要持续不断的外部输血，他们需要的不仅仅是肥料与其他技术，而是要付给他们真金白银，而这不是一个可以持续循环下去的解决方案。

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But technology being developed by Torben Mikkelsen, of Risoe DTU National Laboratory for Sustainable Energy in Denmark, and his colleagues looks set to make the process easier.

但是丹麦科技大学再生能源国家实验室的Torben Mikkelsen及其同事所开发的科技简化了这个流程。

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So really sometimes ideas that can be followed through into sustainable technology, very useful technology in certain sectors.

BBC: Three questions for CTOs: Anthony Haywood, Idappcom

The work is still in its early stages, but it is the latest example of researchers looking at nature to find inspiration for sustainable technology.

BBC: Namib Desert beetle inspires self-filling water bottle

Alex Steffen is the executive editor of Worldchanging.com, which covers sustainable technology, design and innovation, and editor of the book Worldchanging: A User's Guide to the 21st Century.

FORBES: Alex Steffen