A teenager's scrap-metal windmill in rural Malawi
After famine forced him out of school, 14-year-old William Kamkwamba used a library book and scrap parts to build a windmill that brought electric light to his family's home.
Topic
Sustainable technology
3 stories tagged sustainable technology.
Catching fog for water above Lima's hillside settlements
Abel Cruz and his movement put up nylon mesh nets on the hills around Lima to catch coastal fog, giving water-poor settlements a small, local supply.
Slowing meltwater to store ice for spring sowing in Ladakh
Retired engineer Chewang Norphel builds low-cost 'artificial glaciers' that freeze winter stream water near Ladakhi villages so it melts in time for spring sowing.