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Professor Fights Pollution in Cameroon

Professor Fights Pollution in Cameroon

car emissions

On a trip to Yaounde, Cameroon, in 2009, Christophe Bobda, associate professor of computer science and computer engineering, noticed that the roads were crowded with old cars. The emissions from these vehicles were filling the air with pollution, and Bobda became concerned about the health of the people living in this environment.

He also recognized that, in order to convince the government that pollution was a problem, he needed scientific evidence.

To get this data, he led a team that designed and built a set of devices that can monitor air quality. Each seven-inch by three-inch device contains three sensors, which can detect carbon dioxide, carbon monoxide and liquefied petroleum gases. It also incorporates a processing board, which prepares data from these readings, and a modem, which can send that data to a central server.

In June 2011, Bobda traveled to Cameroon with the 25 sensors built by his group. After teaching a course in which he demonstrated the technology involved in the sensors, Bobda presented them to the Ecole Nationale Superieure Polytechnique. Researchers there will install the devices around the city, rotating them among 60 intersections to collect data about pollution levels.

This data will be incorporated in a geographical information system designed by Emamuel Toyne, a professor in Cameroon. Researchers can then use the data to study the correlation between air pollution and lung diseases, which are a growing problem in Yaounde.

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