Long Black and Green Tea are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Long Black and Green Tea's differentiating factor?In following section we will take a close look at what is Long Black and Green Tea color, serving style, types and much more. First thing to know is what are the different types of Long Black and Green Tea. Well, Long Black types include Espresso, Ristretto while types of Green Tea are Chinese Green Tea, Pan Fried Longjing, Bi Luo Chun, Jasmine Tea, Japanese green tea, Steamed Sencha, Gyokuro, Kabusecha.