Australia-based EnviroMission Ltd recently announced plans to build two solar updraft towers that span hundreds of acres in La Paz County, Arizona. Solar updraft technology sounds promising enough: generate hot air with a giant greenhouse, channel the air into a chimney-like device, and let the warm wind turn a wind turbine to produce energy. The idea isn’t new — it’s been around since the mid 1980’s — but it’s only now starting to take off.

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Post tags: “solar energy”, alternative energy, clean tech, enviromission, green design, renewable energy, Solar Power, solar updraft, sustainable design