Fireworks Info : fireworks can be bad for your health and the environment

Watching fireworks can be bad for your health and the environment, according to warnings from scientists in the United States.

Alison Tomlin and his colleagues at the Leeds University measured the concentration of particles resulting from the bonfire celebrations and fireworks. By entering the data they receive into a simple model they found that the peak of the celebrations, the resulting sooty air contains about 10 times more particles than normal conditions during the day.

Tomlin showed that incomplete combustion due to fire and fireworks, could lead to improvements in the number of sooty particles in the daily concentration in urban areas. The impact these particles on human health and the environment depends on the size and fireworks chemical content.

The particles in this study tended to be larger than those derived from vehicle emissions but still small enough to cause health problems, such as respiratory and cardiovascular disease. In addition, these particles have a greater impact on climate because of his stay in the atmosphere is longer.

William Maenhaut from Ghent University in Belgium said that the interesting findings of this study are that Tomlin and his colleagues "are able to model the particles during the fireworks and bonfires using a simple aerosol processing model ".

In an age where climate change and pollution became a major issue today, Tomlin plans to investigate further emissions from biomass sources and compare it with other sources such as vehicles. "The real challenge is to determine the impact of atmospheric effects, such as condensation and coagulation, the state and size distribution of particles in a huge area," said Tomlin. This will help determine the potential impact on climate, he said.

from: http://www.rsc.org/chemistryworld/

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