Zero calorie and sugar. This product is GMO free. This product is gluten free. This product is allergen free. Coca-Cola and the Environment Coca-Cola is committed to making a positive difference - to the health of the planet, consumers and the communities it serves. The company is working hard to reduce its impact on the environment in everything it does - growing more while using less in areas such as energy and water use, waste reduction and recycling - and by encouraging people to think more about the positive impact they can have on their local environment.