Olives are another staple food impacted by climate change. In 2018, the olive oil industry in Italy crashed, while Spain’s olives did very well. Climate chaos impacts the range and viability of crops, and this pattern is being repeated worldwide.
https://www.nytimes.com/2017/10/24/climate/olive-oil.html
https://fortune.com/2019/02/14/italy-olive-oil-climate-change/