noting or pertaining to workers, jobs, or businesses that are involved in protecting the environment or solving environmental problems.
noun Also green collar.
a green-collar worker.
Origin of green-collar
1990–95; green in the sense ‘environmentally sound or beneficial’; on the model of blue-collar, white-collar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
of, relating to, or designating workers involved in environmental protection, or employed by companies that have protection of the environment as a stated aim
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012