Energy Crisis: Where’s The Energy Coming From?

World energy consumption is increasing by about 4% a year, or doubling every 15 years. Petroleum consumption is doubling every 10 years or so. Traditional sources of this energy cannot maintain this rate for very much longer. We shall quite simply use up all our available resources. The argument tends to hinge, therefore, around the … Read more

Wind Turbines–Selecting A Site For Optimum Energy

Wind turbines are the piece of alternative technology hardware that seems to create the most enthusiasm in their designers and users. Part of their appeal is visual: they move in response to the wind, unlike solar collectors which lie quietly absorbing heat from the sun (if you are lucky) or insulation which you cannot even … Read more