Ask the EcoGeek
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1 Ask the EcoGeek: The Energy Cost of Solar Hank Green 19179
2 Ask the EcoGeek: Muscle Power Hank Green 18580
3 Ask the EcoGeek: Recycling CDs Hank Green 23594
4 Ask the EcoGeek: LED Lights Hank Green 24027
 

Are you an EcoGeek?

We've got to keep 6 billion people happy without destroying our planet. It's the biggest challenge we've ever faced....but we're taking it on. Are you with us?

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