This document discusses global energy trends and projections out to 2050: 1) It projects that global energy demand will increase by 28% by 2020 and 50% by 2030, with renewable energy sources like solar and wind growing the most rapidly but fossil fuels still dominating. 2) By 2050, renewable energy is projected to make up 38% of the global energy mix, up from around 20% today, but fossil fuels will still account for over half of total energy use. 3) Reaching climate change targets will require a major shift away from fossil fuels, with renewable energy sources needing to grow 10 times faster than current rates of increase. Significant policy and investment changes are needed to accelerate the

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7. Arnulf Grubler (2010) The costs of the French nuclear scale-up: A case of
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