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Lessons Learned Building a Plastic Recycling Startup in…
Since 2020, Takataka Plastics has transformed Uganda’s discarded bottles and packaging…
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How to Make a Low-Cost Air Purifier to…
A box fan, air filters and the box in which they…
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Overcoming Financial Barriers to Household Water Connections in…
Editor’s note: This is the second in a two-part series about…
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Recommendations for Installing Household Water Connections in Ghana
Editor’s note: This is the first in a two-part series about…
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How to define a strategy focused on user…
Step One in a four-step training program in engineering for global…
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Introduction to Engineering for Global Development: E4C’s new…
Engineering for Change offers an online course to students and professionals…
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How to Make a 3D-Printed Corn Sheller
Shelling corn by hand is hard, long and boring work, but…
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Make a Biomass Processor
Jed Guinto has puzzled over how to improve a chopping machine…
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How to Build a Compressed Earth Block Home
Building with compressed-earth blocks makes sense, and not just because most…