David Wadström

56 Added | 1 Magazine | 1 Follower | @DavidWadstrom | Keep up with David Wadström on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “David Wadström”

Solvatten in Bungoma

Solvatten and The Nordic Development Fund, Kenya

Solvatten instructions (francais)

USO DEL SOLVATTEN - Mantenimiento y limpieza

Je purifie l'eau grâce à l'énergie solaire ...

Solvatten Kenya - one year later

Making Unsafe Water Drinkable

Polhem350 - Svenska Uppfinnare - Petra Wadström

#SOLVATTEN Solar Safe Water Heater



Only three out of ten liters of milk reach market because of the cows udders is not washed before milking. Picture show woman using Solvatten to keep milk from getting wasted.

Sharing knowledge in rural Bangladesh

Keep them standing!

Jane runs a demo for smallholder #family under a blooming hibiscus 🌺 tree. They were one of the first 100 families that volunteered to help us evaluate the performance and usefulness of Solvatten. Years later: still in use!

The synthesis of heat and UV



Recipient of good sunshine

Celebrating #Polhems prize

From Lubango, SOS childrens villages

Everything starts with safe water

Solvatten- a poem for sun and water


Trees gets used for firewood

Petra Wadstrom, signing certificates

Proud users of Solvatten

Leh, Ladakh, India

Solvatten Kibera Sales