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Changes
→Key Stage 4
*[[Hydroelectric]] - The amount of [[water]] allowed through the dam can be varied quickly.
*[[Tidal]] - The amount of [[water]] allowed through the barrage can be varied quickly.
====Future Trends====
Many Governments are trying to decrease their reliance on [[Fossil Fuel]]s because:
*The produce [[Carbon Dioxide]] which is [[scientist]]s say is causing [[Global Warming]]
*[[Fossil Fuel]]s will run out one day so we need an alternative to provide [[electricity]].