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Cameroon turns human waste into clean power in biogas project

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Two towns in Cameroon have installed biogas systems to turn human waste into sustainable energy that can provide fuel and electricity for local communities.

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The project was initiated by Bioenergy-Cameroon, a non-governmental youth organization. Local students, especially female students, are trained on how to install and maintain innovative technology systems such as solar power and biogas mechanisms.

According to Reuters, the system includes a septic tank, which is connected to a bio-digester at individual households. Human waste placed in the septic tank is converted into biogas inside the bio-digesters, which release energy into people’s homes for cooking and lighting.

Reuters reports that more than 3,000 households and local schools in the towns of Buea and Bamenda have installed the biogas system. The Center for Environment and Development, an NGO in Cameroon, estimates that the biogas project may reudce greenhouse gas emissions in the vicinity by up to 60 percent.

RUNDOWN SHOWS:
1. Animal waste is placed inside the tank
2. Bacteria and archaea break down the waste inside the tank
3. Biogas is released inside the tank; depiction of the content of biogas
4. Biogas can be used for cooking and lighting and the left over manure can be used as fertilizer
5. Depiction of a household biogas system setup
6. Depiction of a community with biogas system
7. Depiction of using biogas can reduce greenhouse gas emission by 60 percent

VOICEOVER (in English):
“Organic material such as animal waste is placed inside an air-tight tank, where bacteria and archaea break down the material.”

“This releases biogas, which is a by-product that is a mixture of mostly methane with some carbon dioxide.”

“The biogas can be stored and burned as a fuel for cooking and to power electricity generators, while the rest of the waste can be used as fertilizer.”

“The biogas system installed in Cameroon connects a septic tank to bio-digesters linked to individual households. Human waste placed in the septic tank is converted into biogas by the bio-digesters, and this releases energy into people’s homes.”

“More than 3,000 households and local schools in two towns have reportedly installed the biogas system.”

“It is estimated that the project may reduce greenhouse gas emissions in the vicinity by up to 60 percent.”

SOURCES: Reuters, Best Climate Practices, World Pulse
http://news.trust.org/item/20161205072135-jx527/?source=leadCarousel
http://www.bestclimatepractices.org/practices/963/
https://www.worldpulse.com/fr/node/16205

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