A new federal report pinpoints a magnesium plant as a major contributor to the winter "brown clouds" often seen over northern Utah, and Salt Lake City in particular.
UCSD climate scientist Ramanathan to receive prestigious Blue Planet Prize sandiegouniontribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sandiegouniontribune.com Daily Mail and Mail on Sunday newspapers.