Green Extension is an umbrella term used to describe rural advisory services which support the scaling up of sustainable agriculture. This encompasses a range of methods to promote various types of content. What these approaches have in common is a process of socio-ecological learning, i.e., supporting farmers to analyse local problems and opportunities, and test alternative practices under local conditions.

In India, Farmer Producer Organizations (FPOs) are considered as the most preferred institutional mechanism for enhancing productivity and income of farmers. This is based on the resounding success of a few farmer collectives that have aggregated their produce to realise better incomes. However, when efforts were made to scale up this interesting model across the country, several challenges emerged.

The Korea National University of Agriculture and Fisheries (KNUAF)'s innovative program is helping South Korea overcome issues relating to its ageing rural population while simultaneously developing elite human resources to establish and promote a highly competent agriculture sector. Since its inception, the KNUAF has been producing young highly competent professionals to manage its high tech agriculture either as entrepreneurs or farm managers.