International Energy Agency: pombi yekupisa inogona kusangana ne90% yezvinodiwa zvekupisa kwepasirese, uye kuburitsa kwayo kabhoni kwakadzikira kupfuura kwechoto chegasi (Chikamu 2)
Kuitwa kwemwaka wepombi yekupisa kwakagadziridzwa zvishoma nezvishoma Kune yakawanda nzvimbo yekudziya maapplication, yakajairika mwaka wekuita coefficient yepombi yekupisa (avhareji yegore rekushanda kwesimba index, COP) yakawedzera zvishoma nezvishoma kusvika 4 kubva 2010.
tarisa tsanangudzo