What is the Nash equilibrium of the game shown in Figure 1? and why or why not is this Nash equilibrium a prisoners' dilemma?

Figure 1: Outcomes and payoffs for the climate strategy game. Developed Developed Abate No Change Abate No Change Emissions Developed countries reductions that free ride on Good Best developing Abate Abate successfully moderates climate countries emissions change reductions Good Worst Developing Developing Developing countries free Worst Bad ride on developed No emissions No Change No Change countries reductions emissions Best Bad reductions