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Solar retrofit of old barn at Klein Jasedow community Pommerland, eastern Germany www.kleinjasedow-familie.de 2005
In the Green Tech scenario expansion in photovoltaic power is accelerated as new more efficient technology becomes available but growth is constrained by bottlenecks in production and excessive demand, so as a proportion of total energy supply solar remains small
All photos by David Holmgren unless otherwise noted. David's photos are licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License. For the gallery software we are indebted to the communty who have created the open source project Gallery2.