Opposite Sides of the Tracks (A Snowpiercer and The Polar Express Fanfic)

(This story does not include the Snowpiercer blowing up the Aquarium car or Big Alice getting rid of 3 of her cars the world is not warming up) nine years ago, the world was warming up at hazardous rate and a group of scientific engineers aimed to control the world's continental heatwave,so they created Climate Warhead-Type Seven (CW-7) to solve the issue, CW-7 worked too well and froze the world to her core, forcing humanity aboard a 1,034 car supertrain.