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Top eco-inventions: Your picks

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  • View our gallery of your picks of the best eco-inventions
  • From the bicycle to solar power, old and new inventions feature
  • Do you agree with the suggestions so far. Email in your choices
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(CNN) -- We asked you to send in what you think are the top eco-inventions of all time. Some are based on cutting-edge technology, some hark back centuries. We've compiled a gallery from your suggestions so far. Do you agree with what has been voted for? Is there something missing from the list of top eco-inventions that you think should be? Email us now at ecosolutions@cnn.com and let us know. E-mail to a friend E-mail to a friend

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