Green is the least effective color of light in driving photosynthesis, the process of converting light energy into chemical energy. Photosynthesis occurs in plants and algae using chlorophyll, and because chlorophyll reflects rather than absorbs green light, green light cannot be used in the photosynthetic process.
About the Author
Thomas K. Arnold is publisher and editorial director of "Home Media Magazine" and a regular contributor to "Variety." He is a former editorial writer for U-T San Diego. He also has written for "San Diego Magazine," "USA Today" and the Copley News Service. Arnold attended San Diego State University.