Climate change's impact on future food prices is being underestimated, Oxfam warned in a report on Wednesday.
The development charity predicts that massive price spikes will be a devastating blow to the world's poorest people who today spend up to 75% of their income on food.
Its report, "Extreme Weather", "Extreme Price", suggests extreme weather events such as droughts and floods – made more likely by global warming – could drive up future food prices. Previous research has tended to consider gradual impacts of rising global temperatures, such as changing rainfall patterns.
The research claimed that:
• Even under a conservative scenario another US drought in 2030 could raise the price of maize by as much as 140% over and above the average price of food in 2030, which is already likely to be double today's prices.
• Drought and flooding in southern Africa could increase the consumer price of maize and other coarse grains by as much as 120%. Price spikes of this magnitude today would mean the cost of a 25kg bag of corn meal – a staple which feeds poor families across Africa for about two weeks – would rocket from around $18 to $40.
• A nationwide drought in India and extensive flooding across south-east Asia could see the world market price of rice increase by 22%. This could lead to domestic spikes of up to 43% on top of longer term price rises in rice importing countries of such as Nigeria, Africa's most populous country.
• Climate shocks in sub-Saharan Africa are likely to have an increasingly dramatic impact in 2030 as 95% of grains such as maize, millet and sorghum that are consumed in sub-Saharan Africa are expected to come from the region itself.
source : http://www.guardian.co.uk/environment/2012/sep/05/climate-change-food-oxfam