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Carbon taxes and related policies could lead to more severe food shortages than climate change alone.
Rigorous policies to stem the effects of climate change could starve millions more people than global warming itself.
Scientists predict that climate change will reduce agricultural yields, which will increase food prices. Rigorous policies such as carbon taxes to reduce greenhouse gas emissions should help solve these problems.
To test this theory, Tomoko Hasegawa of the National Institute of Environmental Studies of Tsukuba Japan and his colleagues simulated They found that under strict regulations, decreases in production and availability food was largely due to the effects of policies – not climate change.
In one scenario, climate change alone would result in 24 million hungry people by 2050, compared to the number expected if the prevailing climate prevailed. When rigid policies were added, the number of hungry people jumped by 78 million, most in Africa and South Asia.
The authors believe that those responsible should consider the implications for food availability when defining climate policies.
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