There will be hundreds of millions of climate refugees. By 2050 there will be 1.5 billion migrants. Yes, its in 30 years. And it will increase the potential for conflicts and violence. A study by the Pentagon confirms 100% there will wars caused by migrants. For example, India could block the river Indus and kill hundreds of millions of Pakistani. Both countries have WMD. https://www.technologyreview.com/s/613342/get-ready-for-tens-of-millions-of-climate-refugees/ https://www.vice.com/en_us/article/59n9qa/climate-change-will-create-15-billion-migrants-by-2050-and-we-have-no-idea-where-theyll-go? https://www.news.iastate.edu/news/2019/02/13/climateconflict https://www.bloomberg.com/news/articles/2019-01-23/pentagon-fears-confirmed-climate-change-leads-to-war-refugees https://timesofindia.indiatimes.com/india/water-crisis-brews-between-india-and-pakistan-as-rivers-run-dry/articleshow/67703540.cms