The mark consists of A black circle. Within the black circle, a black bar dividing the upper 60% of the area within the circle from the lower 40% of the area within the circle. In the upper section within the circle, a volcano rendered in brown and black, outlined in black and white, representing geothermal energy. In the center of the circle, a vertical red bar symbolizing molten lava rising within the volcano. At the top of the volcano, white steam rising. Around the volcano, semi-transparent white bars radiating from the volcano, on a blue-green background. Between the ends of the white radiating bars and the outer black circle, white dots of varying sizes representing rocks ejected from the volcano. In the lower section of the circle, a blue-green grid with black bars, some two of which contain white dots.Superimposed on the lower 50% of the circle, an atom representing nuclear energy, with a blue nucleus with white highlighting and three blue electrons with white highlighting orbiting the nucleus, the orbits of the electrons shown in white and outlined in black.