At our Wednesday June 9th meeting, our video program featured Stove Team International - an effort begun by a Rotarian from Oregon who, in her sixties, went to Guatemala and took action when she witnessed women tending open fires INSIDE their small living spaces to cook meals for an average family size of eight.  More than four BILLION people cook this way around the world, using biomass (dung, wood, charcoal) to cook and causing irreparable damage to the health of themselves, their families, and the environment.  Stove Team addresses this issue head on, starting local businesses that build stoves that are vastly more efficient and vent all smoke emitted outside the home while at the same time greatly reducing the amount of fuel, usually firewood that is consumed.
Here are links that may be of interest: