nature polution sky smog sun sunrise sunset clouds industrial smoke dirty roof roofs slum slums tile tiles atmosphere balance clean landscape mountain plants abstract blur evil fog form glow green light mist screen swirl swirls water fuel gas generate global greenhouse industry infrastructure nuclear oil plant pollute pollution production stack station air architecture brick bricks chimney duct emission emissions exhaust pipe high red smokeshaft tall trees exhaust pipe industrial smokestack smokestack blue planet conservation dez pain ecology globe greenhouse gas greenhouse gasses heavens orbs overpopulation planet polluted save the planet skies through a glass dark xymonau