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Spur clean-tech for smart cities – vote here.

Coming soon to smart cities - Next generation clean technologies that will help make fossil fuels irrelevant. By 2050, 90% of the population will be in cities, 75% of all energy use and 80% of CO2 emissions will start with the cities.  When…
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Vote for smart campus sustainability!

If you or your institution care about climate change, lowering energy bills or student safety, we ask you to vote for 3fficient to win a $100k grant, so we can bring you free solar power, improved student safety and education. CLICK HERE…