Earl Grey Tea and Iced Tea are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Earl Grey Tea and Iced Tea's differentiating factor?In following section we will take a close look at what is Earl Grey Tea and Iced Tea color, serving style, types and much more. First thing to know is what are the different types of Earl Grey Tea and Iced Tea. Well, Earl Grey Tea types include Herbal while types of Iced Tea are Iced Jasmine Tea, Iced Chai, Fountain Iced Tea, Peach Iced Tea.