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Exxon Valdez tanker spill (1989). Lifecycle assessments (LCAs) began to gain traction from its initial stages in the 1970s to the 1980s and it was in 1991 that the term was first coined. Lifecycle assessments (LCAs) began to gain traction from its initial stages in the 1970s to the 1980s and it was in 1991 that the term was first coined. <unk> <unk> <unk> <unk> In 1990, the first Sustainability Assessment Method for buildings, BREEAM was released. 1993, Rick Fedrizzi, David Gottfried and Mike Italiano formed the world's first Green Building Council (GBC) with the US Green Building Council. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ USGBC was further responsible for the creation of the Leadership in Energy and Environmental Design (LEED) green building rating system in 1998. ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••