(upbeacheerful music ntinues) (trifospeakingn foreign nguage) right upfting muc) [ulrich] lot of ople thinthat hydropowe green, renewab. but fact, is one of e worst ergy resrces inelatioto ture ando people - [nasa] so rge damsre bacally flding theanyons so ming lake out the rivs, and all hydrower plantsre takin e water t of t canyon. 90% of a these hydropowe prects othe balks are soalled sml-scale dropowerlants. it'srying out e landsce. ere's noater left. e peoplehat are lking us io the hyo issue ishe old triangl e hydro bby, and en there's the consuction lby, and th there ithe bankthe finaial mark. d the reon why is so intereing for st of th is thait's ver hard to ersee what t actual pre r such aam is. - nobodyeally kns w many cic meter of concre goes intone. so it's etty sime to get so extra aunt out it. - thenou'd takinto aount whats necessary touild such a dam, the infrtructureyou ve to bud a road pipelis, you he to cut t forest inrder tbuild trsmission line all the things. you ow, they c calcula huge amot of mon and thenhe taxpar or the coumer haso pay th, d that ons the gates r