Presume the climate system of the earth is a heat engine and draw a simple image of how the heat engine distributes the energy between the components of the engine including internal variation, some effects of it and human influence on it using at maximum 1200*854 pixels:
Task not complete since the map doesn't include the real topography of the earth, the directions on many lines and there is a serious lack of explanations on many processes. I guess this takes a bit more pixels.