A very quick entry for TED speaker Justin Hall-Tipping. Courtesy of TED.com
Tag: Justin Hall-Tipping
Justin Hall-Tipping: Freeing energy from the grid
Justin Hall-Tipping: Freeing energy from the grid
Because the greatest gift is Time
A very quick entry for TED speaker Justin Hall-Tipping. Courtesy of TED.com
Justin Hall-Tipping: Freeing energy from the grid