•Humanity has a near total dependence on fossil fuels and
other unsustainable sources for its energy needs.
•Consequent global climate change, environmental pollution, health
problems—irreversible damage to Earth’s ‘life support system’.
• The known sources of energy incl. oil, gas, coal and
nuclear fuel are exhaustible (some already severely depleted)
•Energy consumption is increasing at an alarming rate—exacerbating
the social and environmental impacts and accelerating depletion.
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