Prof. George Chan was the favorite of all. He summarized his 40 years of experience in one book which he finished during the Expo. Amory Lovins (USA), Matsunaga Taniguchi (Japan) and Lucio Ventania (Brazil) inspired largecrowds.

 
     
 
  The birth of ZERI at the World Expo in Hannover 2000
JUNE - OCTOBER 2000 
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