From Harmful Ambrosia over Pellets to a Warm Home

The large family home belonging to Rade Vujic from Sitnes near Srpac in Republika Srpska is probably the only building in the entire area that is being heated by combustion of a nearly indestructible weed – ambrosia. Rade came up with the idea to build his pellet production system when …

Energy Efficient Prosperity: Green Buildings

A couple of years ago, the Ngewana family sat around the kitchen table of their Cape Town home and set themselves a target: over the next six months, they would try to cut their electricity use by 40% by retrofitting their two‑story home and making some small but important changes …