‘I couldn’t breathe’: the deadly health burden of wildfire smoke

Scientists race to untangle complex links between exposure and mortality as fire weather grows more prevalent A thousand kilometres from the infernos gorging on northern Ontario’s boreal forests, Erin O’Connor watched the sky above Canada’s biggest city turn an “almost post-apocalyptic” orange as it filled with light-scattering particles of soot and ash.

This is a short excerpt. EkJhalak links out rather than reproducing other newsrooms’ work — continue at The Guardian.