2000
August 27, 2025
2010
August 27, 2025
Program Growth – As the certification program expands, gaining recognition among environmental groups and energy markets, LIHI extend terms from 2 to 5 years.
2000
August 27, 20252010
August 27, 2025
2003
Program Growth – As the certification program expands, gaining recognition among environmental groups and energy markets, LIHI extend terms from 2 to 5 years.
EN 
ES 
FR 
ZH 
ZH_CN