In the context of Environment and Natural resources, 2018, 'Res Communis humanitatis' stand for:

The correct answer is Option 3 - Global commons

There are some areas or regions of the world which are located outside the sovereign jurisdiction of any one state, and therefore require common governance by the international community. These are known as res communis humanitatis or global commons. They include the earth’s atmosphere, Antarctica, the ocean floor, and outer space.