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Decreasing Fish Stocks

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don't use calculatorGlobal warming will affect the world’s annual fishing catch.

In a world heated by a global warming of 2°C, the annual fishing catch will decrease by 3.3 million tonnes.

In a world heated by a global warming of 1.5°C, the annual fishing catch will decrease by 1.5 million tonnes.

Express the reduction of the annual fishing catch in a world warmed by 2°C as a fraction of the reduction in annual fishing catch in a world warmed by 1.5°C.

Give your answer in its simplest form.
[2 marks]

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