Bricks, robot fish, and eco-warriors… this week’s green tech finds!

• Find a green business… and a coupon: GenGreen Digital Media has just added a new feature to its Find Green iPhone app: coupons. Find a business that has what you want (and shares your values), and save some money in the process.
  
  
• Online carbon reduction for builders: the Rocky Mountain Institute has just released Green Footstep, an online tool that allows builders to assess (and reduce) that carbon emissions of building and retrofitting projects.
  
  

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Tree-power and homemade submarines… all that and more in your green tech finds for the week.

• Google… the solar company?: The company announced on Wednesday that it’s “working to develop its own new mirror technology that could reduce the cost of building solar thermal plants by a quarter or more.”
  
  
• Wind power from the air conditioner: Renewable energy company EarthSure has announced its WindAir system, which is designed to “[transform] the exhausted air flow from central air conditioning units into a source of renewable, clean energy.”
  
  

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Deutsche Bank’s online carbon counter

Phones, flashlights, and sweet solar-powered rides… all that and more in this week’s green tech finds.

• Funding priorities: Is a national smart grid the best investment right now? Or would local micro-grids fed by renewable power serve us better?
  
  
• More proof that teenagers do know it all: Fourteen-year-old David S. Dixon built “a street-legal quadricycle with a solar-powered electric motor” for a middle school project. (via Gas 2.0)
  
  

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