Took 2 minutes of Googling and little effort to provide these 2 of 10+ articles that immediately popped up. So, you are fully aware you could have found these easily but were putting out "pRoVe It" energy for whatever reason.

https://sustainability.stanford.edu/news/climate-change-cuts...

https://news.climate.columbia.edu/2018/07/25/climate-change-...

> “If the climate warms by 3 degrees, that’s basically like everyone on the planet giving up breakfast.” That’s a high cost for a world where more than 800 million people at times go a day or more without food because of inadequate access.