Um… It’s literally happening right now. They told our grandparents “it’ll be your grandchildren who will really suffer”
We’re the grandchildren. Food and water shortages, people dying from the heat, floods, pandemics. All of it is happening in first world countries. The US, Europe, China… Last year, this year, next year
We’re past the “slowly gets worse” phase. We fucked around for that. We’re starting the “find out” phase