This is pushing the world closer to the edge of potential food price spikes, associated social unrest and food shortages. This is the case when either of these two extreme weather patterns dominate the atmosphere. In addition, some studies have shown that global warming may be making the jet stream wavier and more likely to get locked into persistent patterns. “If there is a crop failure in one single major crop producing region (breadbasket), they can be leveled out by surpluses in other breadbasket regions through trade. The study did not investigate how climate change may be altering the characteristics or likelihood of the jet stream patterns, nor did it show how climate change is altering heat waves.

Source: Washington Post December 09, 2019 19:50 UTC