Arctic wildfires spew soot and smoke cloud bigger than EU

Plume from unprecedented blazes forecast to reach Alaska as fires rage for third month

A cloud of smoke and soot bigger than the European Union is billowing across Siberia as wildfires in the Arctic Circle rage into an unprecedented third month.

The normally frozen region, which is a crucial part of the planet's cooling system, is spewing carbon dioxide into the atmosphere and worsening the manmade climate disruption that created the tinderbox conditions.