Smog and Its Threat to Humans

Smog and Its Threat to Humans

Author: Michael Chen (Guilin Foreign School, China, Grade 11) Issue of Smog has surfaced and has brought a lot of attention the past years as it ha...
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The Dangers of Secondhand Smoke

Author: Resse Johnsons (Toronto School, Canada, Grade 12) People who don’t smoke may think they are safe from cancer that could be caused by smokin...