green-collar

adjective

1. Of or pertaining to employment in the environment or environmentalism industries.“1976, Patrick Heffernan, “Jobs for the Environment — The Coming Green Collar Revolution”, in Jobs and Prices in the West Coast Region: Hearing before the Joint Economic Committee, Congress of the United States, Ninety-Fourth Congress, Second Session, U.S. Government Printing Office, page 134,”
2. Of or pertaining to rural, agricultural employment; often contrasted with urban blue-collar employment.