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Plastic waste inputs from land into the ocean

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Science  13 Feb 2015:
Vol. 347, Issue 6223, pp. 768-771
DOI: 10.1126/science.1260352

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  1. Fig. 1 Global map with each country shaded according to the estimated mass of mismanaged plastic waste [millions of metric tons (MT)] generated in 2010 by populations living within 50 km of the coast.

    We considered 192 countries. Countries not included in the study are shaded white.

  2. Fig. 2 Estimated mass of mismanaged plastic waste (millions of metric tons) input to the ocean by populations living within 50 km of a coast in 192 countries, plotted as a cumulative sum from 2010 to 2025.

    Estimates reflect assumed conversion rates of mismanaged plastic waste to marine debris (high, 40%; mid, 25%; low, 15%). Error bars were generated using mean and standard error from the predictive models for mismanaged waste fraction and percent plastic in the waste stream (12).