Busch began to design and build houses at this time. He has completed over 30 projects to date, some of which have been published around the world. In 2009 he started ecoTECH Design Studio to design and build sustainable architecture and landscapes,[9][10] to educate the public through the creation of ecoPARK,[11] and design and build sustainable low carbon products to reduce waste and grow food.[12][13][14][15]