From Berlin came reports of a new photochemical process for producing naturally colored cinema films at no greater expense or effort than black and white effects require.
Both also contribute to photochemical oxidants, which are formed by the action of sunlight on hydrocarbons and nitrogen oxidants.
A thick photochemical smog comprised of respirable suspended particulate matter and nitrogen dioxide hangs thick over the Causeway Bay district of Hong Kong, 22 January 2009 Pilot .
Singapore, Malaysia Face Economic Hit From Prolonged Smog Smog is a type of air pollution that is caused by the burning of large amounts of coal or release of vehicular emissions and industrial fumes – creating a dense, enveloping haze. Smog contains soot particulates, sulfur dioxide, and other components. These pollutants react in the atmosphere with sunlight and form photochemical smog. The atmospheric... Read more » Singapore, Malaysia Face Economic ...
June 24, 2013 - The Inquisitr
Jeff Celentano in Earthtimes.org We are pleased with the color quality of our negative, as well as our decision to print the film using a photochemical process,said Jeff Celentano, Director.