Sydney, AustraliaWhat were you doing when you were a teenager?

Riding bikes, watching movies, learning trigonometry perhaps? Angelina Arora, from Sydney Girls High School, is doing all these things, but Angelina Arora is not your average teenager.

Arora explained to National Geographic the moment when she first understood the impact plastic was having on the environment. One day when she was a young girl, she went out shopping to the local supermarket with her mother when she noticed that her mother paid for plastic bags. Curious, she asked the cashier why. The cashier responded that it was to deter people from using plastic bags and therefore help save the planet.

This idea, and Arora’s strong love of science, is what guided her to