Smoke from Canadian wildfires has been hanging over Germany for weeks phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Smoke aerosols from large wildfires are the perfect reaction surface for chlorine chemicals, speeding their transformation from ozone-friendly forms to reactive ones.
Global observations and improved models track atmospheric dust scitation.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scitation.org Daily Mail and Mail on Sunday newspapers.