Most people would recoil at the thought of drinking a glass of dirty water, but breathing polluted air goes largely unnoticed. For one, fine dust and particles in the air are not as visible as ...

When indoor air pollution makes the news in western countries, it often feels like a local issue. One week it focuses on wood-burning stoves. Another it is gas cookers or the question of whether ...

Willis Haviland Carrier designed and launched the first-ever air conditioning system in July 1902. For its time, it was an absolutely revolutionary innovation in technology that fundamentally changed ...