World Water Day: The Surprising Amount Of Water Required To Produce 13 Items From Chocolate To Wine

March 22 is World Water Day, and there is no better day to become more conscious about the items you use and consume, and just how much water is needed to produce them.

Our friends at The Nature Conservancy have been counting down to World Water Day with the "30 Days Of H2O," providing a fascinating -- and often shocking -- new tidbit each day about how much water certain things require, from cars and plastic to cheeseburgers and coffee.

We've rounded up the best of the bunch, and you'll likely be surprised. What do you think takes more water to make: a glass of wine or a serving of chocolate? Find out below!

Be sure to check out the rest of HuffPost's World Water Day coverage, including tips to save water & money (submit your own), 8 ways to get involved and help, and the nations most at risk. Also, be sure to visit The Nature Conservancy to find more info about the hidden cost of water that goes into producing items like the 13 listed below.