Not OP but you can find the 50 million climate refugees claim in the report of the International Assessment of Agricultural Knowledge, Science and Technology fo

Not OP but you can find the 50 million climate refugees claim in the report of the International Assessment of Agricultural Knowledge, Science and Technology for Development on page 20: the map itself is titled "Figure SR-P2. 50 million climate refugees by 2010" [1]. That report was backed by UNDP,UNEP, World Bank, the WHO - most people would count the report as credible, certainly more so than a newspaper article or opinion piece. [1]: https://www.weltagrarbericht.de/fileadmin/files/weltagrarbericht/IAASTDBerichte/SynthesisReport.pdf https://www.weltagrarbericht.de/fileadmin/files/weltagrarber...