Some people consider cooking a critical step in our evolution (cooking enables harvesting more calories from food).
With no good fuel available cooking could also be ... off the menu.
If not grass, dried escrements are also good fuel. People use them in areas of this world with little or no trees.
Some people consider cooking a critical step in our evolution (cooking enables harvesting more calories from food).
With no good fuel available cooking could also be ... off the menu.