the example. 1 switch offthelights whenweleave a room 2 wearwarmer clothesinthewrnter 3 ridea bicycle 4 insulateourhouses 5 usefluorescentlightbulbs 6 usepublic transoort To uselesspetrolfor transportation we can: 3,6 To uselesselectricity insideour houses
the example. 1 switch offthelights whenweleave a room 2 wearwarmer clothesinthewrnter 3 ridea bicycle 4 insulateourhouses 5 usefluorescentlightbulbs 6 usepublic transoort To uselesspetrolfor transportation we can: 3,6 To uselesselectricity insideour houses
the example. 1 switch offthelights whenweleave a room 2 wearwarmer clothesinthewrnter 3 ridea bicycle 4 insulateourhouses 5 usefluorescentlightbulbs 6 usepublic transoort To uselesspetrolfor transportation we can: 3,6 To uselesselectricity insideour houses
the example. 1 switch offthelights whenweleave a room 2 wearwarmer clothesinthewrnter 3 ridea bicycle 4 insulateourhouses 5 usefluorescentlightbulbs 6 usepublic transoort To uselesspetrolfor transportation we can: 3,6 To uselesselectricity insideour houses
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