Portfolios that are the sum of movable assets such as share certificates held by financial institutions or individuals and on which they can perform transactions; they can be turned into a kind of modern portfolio model where resource consumption and environmental impact are fully taken into account. In addition to the sensitivity of the investors to the environment, the tendency to invest by evaluating various risks can be expressed as green portfolio investment. The green financial portfolio represents the total value of the green instruments held by legal or natural persons in order to earn a profit by investing. The main investment instruments used in this direction are; bonds, stocks, deposits, sustainable mutual funds and bonds. As the cost of environmental non-compliance increased, companies started to include environmental issues in their strategic planning processes and started to use green financial instruments. Corporate benefits from each sustainable portfolio, including economic and environmental benefits; cost, quality, time, service, resource consumption and environmental impact. In this study; green portfolios; in the context of companies and investors; Creating an ecologically oriented portfolio by evaluating in terms of economic attractiveness as well as environmental impacts has also been discussed in Turkey.