Tag: how-to guide

Rob Goodier

How to Make a Low-Cost Air Purifier to Reduce COVID-19 Transmission Indoors

May 28, 2021

A box fan, air filters and the box in which they come are the raw materials for a simple...

Rob Goodier

How to Make a Biochar Water Filter

April 19, 2021

Charcoal has been a part of water treatment for at least 4000 years. Continuing the tradition, farmers in northern...

Eric Verploegen

Clay Pot Coolers: Keep Produce Fresh Without Electricity

March 30, 2021

Introducing the Guide to Assembling, Using, and Maintaining Clay Pot Coolers, the result of a collaboration by MIT D-Lab,...

Rob Goodier

Make Your Own Facemask Tested at 96.5% Filtration Efficiency

May 22, 2020

A do-it-yourself facemask built around an air conditioner filter has been tested at more than 96 percent filtration efficiency....

Engineering for Change University of Edinburgh

DIY Solar Panel: A step-by-step how-to guide

November 29, 2018

Engineering for Change came across the Facebook page of a like-minded organization that happens to share our name, this...

Guest Author

How to Build an Earthquake-Resistant Home: An Earthbag Construction Manual

March 18, 2018

The folks at Good Earth Global kindly prepared this guide for Engineering for Change’s members and readers. Please see...

Rob Goodier

Five Questions for Maker Faire’s Founder Dale Dougherty

December 8, 2017

Dale Dougherty has traveled the world taking part in Maker Faires, which his company Maker Media organizes. Called the...

Janet Gunter

Don’t toss it… Fix it! How to find the information you need to repair electronics and appliances

August 30, 2016

By Janet Gunter Co-Founder of The Restart Project Electronic waste is one of the fastest growing waste streams around...

Charles Newman

Building Materials and Methods: E4C’s Essential Online Resources for Professionals

August 12, 2016

When global development professionals need to make a decision about which technologies to use in their work, we’d like...

Rob Goodier

How to make a wooden mold for biosand water filters

August 5, 2016

Household biosand water filters are proven effective and long lasting. Traditionally, the filters are built from concrete poured into...


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