The ice user may exhibit a noticeable rise in body temperature. There will be a fast heart rate. The person may manifest damage to their teeth, or sores in various places on the body. The person may pick at their skin because of a hallucination that there are bugs crawling under their skin. This can result in broken skin, particularly on the face and arms.
Chlorophyll is also responsible for the green coloring on leaves and stems of a plant. Green is the best color to collect sunlight within the color spectrums (red and blue) that are most efficient for producing the energy needed to create food for the plant.
The color or wavelength of light does affect photosynthesis, which is how plants can basically create their own food.Essentially, the reason why plants are green is they are absorbing the other wavelengths of light but reflecting back the green. The wikipedia page on photosynthesis goes into a lot more detail.