Climate change threatens food supply: every extent that the earth becomes reduces food production. Researchers also expect the crop yields in Europe.
According to a study, 120 kilocalories per person per day, less food can be produced per Celsius of one degree. That is 4.4 percent of the recommended daily consumption. If the climate warms up for three degrees, it is “as if everyone in the world leaves breakfast,” said Solomon Hhanang of the University of Stanford on Friday.
However, the university pointed out that food is already distributed unevenly. Now, more than 800 million people should come in without food for one or more days because they do not have enough access to it. The team had analyzed the development of six food plants. This sample relates to about two -thirds of global calorie production, the researchers wrote in the “nature” journal.
The harvest could decrease by a quarter
In the case of a medium climate scenario, the researchers also expect more than a tenth worldwide with a certain adjustment by the end of the century, even about a quarter with uncontrolled emissions. In the short term – ie by 2050 – a decrease of approximately eight percent is to be expected – regardless of the further emission course, because the development for this period is considerably determined by the CO₂, which is already in the atmosphere.
Harvest losses in the coming decades can be serious in Europe: in the Mediterranean Sea, the corn harvest could fall by 40 percent – in North Europe. When wheat there is a loss of income of 15 to 25 percent in Eastern Europe, West -Europe, Africa and South America and 30 to 40 percent in China, Russia, the US and Canada.
In particular, in particular in different northern regions, the researchers expect a harvest of different plants. Some regions in Canada, China and Russia can benefit from climate change.
Vs particularly threatened
The United States, on the other hand, can be particularly difficult. “Regions in the Midwest, which are now excellent for the cultivation of corn and soy, are literally flooded when warming up,” said co -author Andrew Hultgren of the Urbana Champanc of the University of Illinois. HSIang added: “It is actually as if we are sending our agricultural wins abroad. Canada, Russia and China will be the beneficiaries – we belong to the losers in the US.”
Source: Krone
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