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Related: Editorials & Other Articles, Issue Forums, Alliance Forums, Region ForumsClimate Change - Maize, rice, wheat: alarm at rising climate risk to vital crops
https://www.theguardian.com/environment/2017/jul/15/climate-change-food-famine-study<snip>
Governments may be seriously underestimating the risks of crop disasters occurring in major farming regions around the world, a study by British researchers has found.
The newly published research, by Met Office scientists, used advanced climate modelling to show that extreme weather events could devastate food production if they occurred in several key areas at the same time. Such an outcome could trigger widespread famine.
The scientists, led by Chris Kent, of the Met Office, focused their initial efforts on how extreme weather would affect maize, one of the worlds most widely grown crops. Heat and drought were the prime risks, although flooding was also included in the analysis.
The group found there is a 6% chance every decade that a simultaneous failure in maize production could occur in China and the US the worlds main growers which would result in widespread misery, particularly in Africa and south Asia, where maize is consumed directly as food.
The impact would be felt at a global scale, Kent told the Observer. This is the first time we have been able to quantify the risk. It hasnt been observed in the last 30 years, but the indications are that it is possible in the current climate.
An example of the kind of disaster that could occur is provided by the maize harvests that failed last year in Africa. Communities in Zambia, Congo, Zimbabwe, Mozambique and Madagascar were affected and six million people were left on the brink of starvation. A joint failure of China and Americas maize harvest would have a far greater impact.
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Climate Change - Maize, rice, wheat: alarm at rising climate risk to vital crops (Original Post)
malaise
Jul 2017
OP
Deniers and myopic thinkers would say...'who cares, it's someone else's problem to fix'.
chowder66
Jul 2017
#1
chowder66
(9,055 posts)1. Deniers and myopic thinkers would say...'who cares, it's someone else's problem to fix'.
I hope farmers everywhere take this deadly serious.
The_jackalope
(1,660 posts)2. This is how climate change will probably bring down civilization.
Crop failures and fresh water shortages result in massive refugee migrations. Such human movements always create civil unrest, precipitate civil and international wars, and trigger political collapse. Direct and indirect disruptions of other large systems (electrical power, communications, financial etc.) follow in the wake of the social disruption.
As GliderGuider I was saying this for well over a decade. Nothing I've seen since 2005 has given me any reason to change my mind.