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Can hydro power be sustainable?
17 September, 2007
David Harrison, Jeff Opperman and Brian Richter explore whether hydro power projects are a sustainable form of energy, and report on the pursuit of ecologically sustainable hydro on the Yangtze river
Glendoe: in the footsteps of the 'Hydro Boys'
21 May, 2007
Now half way through her task and burrowing deep into a Scottish hillside, Eliza Jane is almost a month ahead of schedule. Glendoe's £7M (US$14M) tunnel boring machine (TBM) is showing her mettle as progress in the Highlands follows in a rich seam of hydroelectric tradition. Chris Webb reports