The Environment Institute /newsroom/ en Arctic reindeer populations could decline by 80 per cent by 2100 /newsroom/news/list/2025/08/13/arctic-reindeer-populations-could-decline-by-80-per-cent-by-2100 Researchers predict that future climatic change is likely to cause declines in reindeer abundances and their distribution at rates rarely seen over the last 21,000 years. August 14 2025 Jessica Stanley /newsroom/news/list/2025/08/13/arctic-reindeer-populations-could-decline-by-80-per-cent-by-2100