Who discovered C2 green tea?

It's possible that you're thinking of:

* C2 Tea: A brand of bottled tea that offers a variety of flavors, including green tea. However, they didn't *discover* green tea. They simply created a bottled version.

* Green Tea: This is a type of tea made from the Camellia sinensis plant, and its discovery is attributed to Emperor Shennong of China, who is said to have discovered tea around 2737 BC.

Could you please clarify what you meant by "C2 green tea"?