Their report doesn't mention anything about food riots and mass starvation.

First Street Foundation 30 year projection of environmental risk, new report:

New research from First Street Foundation analyzes the the prevalence of increasing extreme temperatures and dangerous heat wave events throughout the contiguous United States, with a key finding being the incidence of heat that exceeds the threshold of
the National Weather Service’s (NWS) highest category for heat, called “Extreme Danger” (Heat Index above 125°F) is expected to impact about 8 million people this year, and grows to impact about 107 million people in 2053, an increase of 13 times
over 30 years. This increase in “Extreme Danger Days” is concentrated in the middle of the country, in areas where there are no coastal influences to mitigate extreme temperatures.

https://firststreet.org/research-lab/published-research/article-highlights-from-hazardous-heat/

Mission Statement:
...
There has long been an urgent need for accurate, property-level, publicly available environmental risk information in the United States based on open source, peer reviewed science. In a mission to fill that need, First Street Foundation has built a team
of leading modelers, researchers, and data scientists to develop the first comprehensive, publicly available risk models in the United States. Beginning with flood, moving on to wildfire, and now extreme heat, First Street works to correct the asymmetry
of information in the market, empowering Americans to protect their most valuable asset–their home while working with industry and government entities to inform them of their risk.
...

https://firststreet.org/mission/

Controversial track record: https://en.everybodywiki.com/First_Street_Foundation

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