Brown Field Investment'
When a company or government entity purchases or leases existing production facilities to launch a new production activity. This is one strategy used in foreign-direct investment.

'Green Field Investment'
A form of foreign direct investment where a parent company starts a new venture in a foreign country by constructing new operational facilities from the ground up. In addition to building new facilities, most parent companies also create new long-term jobs in the foreign country by hiring new employees.

so that question was about green investment .