热能从哪里来 Heat Is On

Weareintbelnidstofanenergycrisis.We'rerunningoutofheatingoilandgasoline,tearingupourwildernesswithhydrodamsanddamagingourheahhwithnuclearpower.Andoutproductionofenergymaybethebiggestcauseofpollutionintheworldtoday.InTheHeatIsOnyou'llfindoutwhereourenergycomesfromandwhyitiscreatingaproblem.Butyou'llalsodiscoverthattherearebrightspotsfromthemanyplanstodevelopalternativecleanenergysources,tothemanywayswecanallhelp,byusingenergymorethoughtfullyandefficiently.