How do the international monetary fund, world bank and the world trade organization provide support to address and manage environmental issues in developing countries?

Lending loans to member countries in need of financial and economic assistance.

Explanation:

Environmental issues in developing countries are managed through intervention funds delivered to fund programs that will in turn palliate the effect of adverse environmental challenges that has affected smooth running of their economies. This will in turn help this developing countries to recover effectively from whatever environmental challenges that may come their way. They help ensure stability of developing economies and also reduce poverty in developing countries.

i think it is the third one.