by Nigel Upchurch
Population statistics:
World Bank World Development Indicators
goo.gl/0XZrz
Fisheries exhausted by 2050:
New Scientist, Nov 2006
goo.gl/nkJ2G
Farmed fish as percentage of global consumption:
Farming Fish for the Future by Brian Halweil, 2008
goo.gl/H92xM
Ratio of wild fish to feed farmed fish:
Global overview on the use of fish meal and fish oil in industrially compounded aquafeeds: Trends and future prospects, by Tacon & Metian, 2008
goo.gl/rDxg4
