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umwelt-plakette.de en 2020-02-08

News on environmental zones and air pollution

The origin of particulate matter

Particulate matter kills every day all over the world. Now, scientists from Beijing have achieved a breakthrough in terms of causal research. For example, the development of ultra-fine particulates is directly related to exposure to sunlight. The paradox: high concentrations of coarse particulate matter in particular hinder the formation of ultra-fine particulate matter.