I love to eat sushi but I don't actually know much about it
its a type of rice which can be prepared with either brown or white rice.
Does it typically have fish in it?
can be prepared with either brown or white rice.though some are vegetarian
ah, that's cool.  Where did sushi originate?
 sushi began with paddy fields in Southeast Asia, where fish was fermented with salt and rice, after which the rice was discarded.
Oh wow, do you know when it began?
 history of sushi began with paddy fields in Southeast Asia,
Okay.  I've probably had an Americanized version of sushi, not very authentic, since I'm from the US.
Sustainable sushi
Sustainable sushi is sushi made from fished or farmed sources that can be maintained or whose future production does not significantly jeopardize the ecosystems from which it is acquired. Concerns over the sustainability of sushi ingredients arise from greater concerns over environmental, economic and social stability and human health.
The Sustainable Sushi Movement.
In 1999, Miya's created the first plant-based sushi menu, as a healthier and more environmentally responsible approach to the cuisine of sushi. By 2004, Miya's had created the first sushi
Sushi
Sushi is traditionally made with medium-grain white rice, though it can be prepared with brown rice or short-grain rice. It is very often prepared with seafood, such as squid, eel, yellowtail, salmon, tuna or imitation crab meat. Many types of sushi are vegetarian. It is often served with pickled ginger ("gari"), wasabi, and soy sauce. Daikon radish or pickled daikon ("takuan") are popular garnishes for the dish.
"Sushi" is sometimes