The figure shows the global atmospheric concentration of carbon dioxide up to 2010. The value for 2011 is 390.9 ppm but is not included in the chart to ensure consistency with the other greenhouse gas figures.
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Where you can, choose organically farmed fish such as sea bass, salmon and trout.
Non-organic fish uses large quantities of chemicals and antibiotics which can affect other animals in the food chain. It is also worth bearing in mind that to produce a 3 kg farmed salmon, 15 kg of fish are caught in the wild to provide its meal and oil.
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