End of the Devonian

Solar Radiation Exacerbates a Bad Situation

Published in The EarthSphere Blog

Our Sun Flaring UV Radiation (by ArcheanArt, based on public domain photos from NASA)

Prologue

We started tracing the collapse of the Late Devonian environment in our last Forgotten Origins article. The stunning success of plant life on Earth had repercussions. Devonian seas were inundated with organic matter and nutrients, and widespread anoxia…