brookings, clean economy, cleantech, clusters, economic development, emissions reductions, energy, energy efficiency, finance, green economy, green jobs, Green Technology, Innovation, low-carbon, nortech, Obama, regional innovation clusters, renewable energy, renewable energy finance, sustainable, technology series, United States
brookings, malinis na ekonomiya, cleantech, kumpol, ekonomiya, emissions pagbawas, enerhiya, enerhiya kahusayan, pinansya, berde ekonomiya, berde trabaho, Green Teknolohiya, Innovation, mababang carbon, nortech, Obama, rehiyonal na kumpol ng makabagong ideya, nababagong enerhiya, nababagong enerhiya pinansya, napapanatiling, serye teknolohiya, Estados Unidos