Biotechnology is broadly categorized into four primary sectors, represented by different colors: Red, Green, White, and Blue. "Red" biotechnology pertains to medicine and health, focusing on the development of pharmaceutical therapies, vaccines, and genetic diagnostics to treat and prevent human diseases. "Green" biotechnology focuses on agriculture, utilizing genetic engineering to improve crop yields, create pest-resistant varieties, and enhance the nutritional value of agricultural products. "White" biotechnology, or industrial biotechnology, applies biological processes to production in fields like biofuels, chemical synthesis, and waste management, focusing on creating more sustainable industrial manufacturing techniques. Finally, "Blue" biotechnology, also known as marine biotechnology, involves the study and utilization of marine organisms for the development of new industrial or medical applications. Together, these four pillars drive the global effort to create a more sustainable and technologically advanced future through the application of biological systems.