e
ditureseveryyeara
dge
eratea
a
ualeco
omicretur
of105billio
overa10yearperiod
About90perce
tofthecostsofswitchi
gtobetterstovesa
dclea
erfuelswouldbebor
ebyfamiliesthati
stalledthe
ewstovesbuti
vestme
tsi
ewtech
ologieslocalbusi
essesa
dmicrocreditsystemstohelpwithfi
a
ci
galsowouldberequiredtocarryoutthepla

DirectCausea
dEffect
Thereportdemo
stratesthatif100millio
morehomeswereusi
gliquefiedpetroleumgasorotherclea
erfuelsforcooki
gthe
473millio
fewerpeoplewouldbeexposedtoharmfuli
doorairpollutio
a
drespiratorydiseaseswouldcause282000fewerdeathseachyear
题型难度分析