Nonsensical.

Prediction by Extinction Rebellion's Roger Hallam that climate change will kill 6 billion people by 2100 is unsupported - Science FeedbackResearch shows that continuing climate change results in a broad array of serious threats to humans and other species. However, counter to Hallam's statement, published studies have not predicted 6 bi...science.feedback.orgYARDCG

The planet would stay habitable and physically support farming even in 2500, at warming levels we would most likely avoid on current trends. onlinelibrary.wiley.com/doi/10.1111/...