The organization represents more than 100,000 landscape industry professionals, mainly in the United States.
[2] After the study was published, the ALCA formed the Foliage for Clean Air Council, later renamed the Plants for Clean Air Council (PCAC), a nonprofit that promoted the use of plants in homes and offices.
[1] The Professional Lawn Care Association of America (PLCAA) was founded in 1979.
They stay on top of their game by maintaining their certification every two years through recertification.
[citation needed] The association hosts a number of educational events throughout the year.