David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...

I like to do things the natural way when cooking. Since my kitchen gets really hot when I cook, I would like to try a solar oven. Is it really possible to cook with solar and how can I make an oven? – ...

Every Boy Scout or Girl Guide probably had the experience of building a simple solar oven: an insulated box, some aluminum foil, and plastic wrap, and voila! On warm, sunny, summer days, you can bake.

On one ordinary day back in 2012, a hefty envelope turned up in my snail mail containing a very kind letter along with a mechanical drawing so detailed it made me want to chew my hair. The sender ...

It's noon on a sunny Monday. We meet Carolyn Olang at her rural home in Rairi Village, Migori County. She is preparing lunch after a long day of work weeding her farm. I am expecting to see smoke and ...