Containers and packaging made up nearly one-third of U.S. municipal waste in 2018, while EU estimates from the same period put the number of takeaway containers being used a year at 2025 million. You guessed it: This is exactly what Topanga is building toward with its recent $3.6 million funding round. Topanga’s growth strategy is following the path laid by Facebook and Tinder and using college campuses as its platform for its re-use program, so that packaging can be tracked and returned using a QR code.