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. 2016 Oct 14;11(10):e0164733. doi: 10.1371/journal.pone.0164733

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© 2016 Ward et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 5 — Projections to 2100 of (a) GDP, (b) final energy demand, and (c) material extractions. Circles represent H-D values for I_j at 3-year intervals, and solid coloured lines represent I_j modelled using Eqs (3) and (5) on a yearly time step, with r_j calibrated and T_j,ult set at 0.5T_j(2050). Around each solid line is a coloured band (most visible for (b) energy) representing the 95% confidence interval for r_j. Dashed black lines represent modelled T_j when both r_j and T_j,ult are calibrated.