Green collar jobs involve different management and operational functions in environment-friendly products and services. So, green collar jobs, by definition, include blue- and white-collar jobs. Specifically, they include the design, manufacture, financing, installation, operation and maintenance of green technology and services.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/green-workforce
[2] http://admin.indiaenvironmentportal.org.in/category/author/sudipta-das
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-world-kolkata
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-products
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-science
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/development
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/economy
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/clean-development-mechanism-cdm
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/knowledge
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india