Green finance represents the reshaping of economic activities to be more supportive of the environment and economic development to support the protection and preservation of the environment so that its aim is not to reach material wealth at the expense of growing environmental risks, but as a mechanism for achieving sustainable development that must remain the ultimate goal. The idea of "green finance" is based on greening the financial system by applying effective management of environmental risks across the financial system. Green financing mechanisms are defined in some means and tools such as green bonds and green banking, as well as environmental taxation, which policies use to reduce the effects of environmentally harmful emissions. With reference to the reality of green economy sectors and their financing methods in Egypt.