Related articles:
Sustainable design
Water treatment
Technology
Rainwater harvesting
Drinking water
Permaculture
Sustainability
Social entrepreneurship
Key terms:
eg
lamp
pumps
appropriate technology
sustainable
low cost
depths
sanitation
developing world
plastics
refrigerator
villagers
schumacher
ventilation
intermediate technology
sludge
sewage
developing countries
water treatment
cheaper than
expensive than
waste materials
zero emission
industrialized nations
locally available
health problems
traditional methods
composting toilet
provisioning
small scale
reused
may be done
considered appropriate
rainwater harvesting
chimney
readily available
remote areas
solar panels
appropriate hard
treadle
eee
kerosene lamp
passive solar
telephony
isf
developed countries
developing nation
diy
appropedia
energy source
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