February marks the beginning of the 2021 Sustainability Solutions Festival, including the 28 Days of Sustainability Challenge! Follow along with #28DaysofGood and @asu_sustival on lnstagram to take the challenge and discover how you connect with food, the environment, your well-being, and one another. Visit sustainabilityfestival.asu.edu for a full list of virtual events and experiences happening this February through April.
The use of objects for exchange goes back to ancient times. Sometimes people would barter things directly, but they also used currency to trade goods. Natural items like shells were used as money to make trading easier.The shekel in Mesopotamia—the oldest known CURRENCY—was used about 5,000... Read more