Recent models tell us that, as our climate warms up, herbivores and pests will cause increased damage to agricultural crops. One study predicted that crop yield lost to insects increases 10 to 25% for every 1 degree Celsius (1.8 degrees Fahrenheit) increase.
https://www.weforum.org/agenda/2020/02/insects-global-warming-damage-crops-rising-temperatures/
https://www.france24.com/en/20200124-billions-of-locusts-swarm-through-east-africa-after-year-of-extreme-weather
https://www.dailymail.co.uk/news/article-7943293/Plague-billions-locusts-ravaging-farmland-East-Africa-grow-500-times-BIGGER.htmlv
https://www.msn.com/en-us/video/animals/see-swarms-of-millions-of-locusts-strike-east-africa/vi-BBZis1W
https://images-na.ssl-images-amazon.com/images/I/71bz6JBcU-L._SY679_.jpg