[Hans Tucker (Hans)]

Originally Posted by xelasnave

Many years ago Mars had oceans and jungles, an intelligent species evolved, which depleted the forrests and caused the planet to warm. The intelligent species moved many many meters below the surface. They used atomic bombs to create many caverns to hold what was left of their water. They learnt to recycle and collected methane from their waste.Notwithstanding their efficient methane plants allow a small amount of methane to escape to the surface.
The latest findings of methane are therefore expected.

Are you pitching the plot to a new Sci-Fi novel.