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Posted on May 15th, 2017 by Dr. Sina Ebnesajjad in Chemical R&D
Beijing, China (Source, www.thebeijinger.com)
The photo above shows a street during daytime in Beijing, China, where over 70% of people wear masks on smoggy days. Smoggy days occur frequently resulting in periodic highway and airport shutdowns. The main cause of the smog is smoke and soot particles spewed from stacks of coal burning factories. Continue reading “Why is coal the worst fossil fuel – emissions, climate, health, smog…?” »