Blackout

Amber age 15: sent under ground in a cryogenic chamber when she was 6 years old. Over the past 2 years she has been trying to hack the elevator. But one day, she finally manages to get the chamber open. She packs all of her belongings and climbs into the pod. When she reaches the surface the world is in shambles. The atmosphere is polluted. She makes her way through the dystopian reality and meets a friend named Jason. He says this is no longer Earth. People have nicknamed the planet "Blackout" because the sun hasn't shined on the surface in the past 400 years.
But romance sparks between the couple. Amber realizes someone is purposely polluting the planet. She has to race time, love, and friendship.