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Rafea’ Documentary – Movie Review
By Rebecca Ciez Engineering for Change Rafea: Solar Mama, an inspiring documentary,…
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How to Make a Biochar Gasifier
Add biochar to a garden or farm to improve the soil’s…
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Ten technologies to manage a crowding world
The UN estimates a world population of more than 9 billion…
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Solar Home Systems in Off-Grid Thailand: Five Questions…
Salinee Tavaranan heads a new kind of solar company that supplies…
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Himalayan solar cooking comes to the city
Solar cookers designed for nomads in Western China could also barbecue…
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Sustainable solutions in emerging markets: Technology, innovation and…
Developing affordable solutions for emerging markets has become an important skill…
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Photo essay: Nepal’s clean tech showcase
Fuel briquettes little larger than hockey pucks dry on string runners…
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Clean Tech in Nepal
Fuel briquettes little larger than hockey pucks dry on string runners…
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Meet a maker: Whit Alexander electrifies Ghana
By Chris Duffy Makeshift Magazine / Special to E4C Whit Alexander…
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Five questions with Sam Dargan
Sam Dargan founded a music production company to promote the solar…