Sky Blue

Japanese anime feature. In a post-apocalyptic world, where Earth's ecosystem has been fatally disrupted by spiralling pollution, a select few live in the paradise city of Ecoban, while the rest of the population live under bleak, grey skies. When Ecoban security officer Jay begins to suspect the injustice of this, she finds out that her old friend Shua is planning a secret insurrection, and together they plan an attack on Ecoban's main power system.