Climate change could raise food insecurity risk

Our research suggests that weather extremes caused by climate change could raise the risk of food shortages in many countries.

We looked at the difference between global warming of 1.5°C and 2°C and found that – despite increased vulnerability to food insecurity in both scenarios – the effects could be worse for most countries at 2°C.

The study examines 122 developing and least-developed countries, mostly in Asia, Africa and South America. At 2°C global warming, the Amazon river flow could decline by up to 25% and flow in the Ganges could more than double. More drought and/or floods would make Brazil, India, Bangladesh more vulnerable to food insecurity.

The paper has been been published in a Special Issue of the journal Philosophical Transactions of the Royal Society A