How is Yemen going through an environmental crisis?
Give summary on articles link below:

https://www.bbc.com/news/world-middle-east-34011187

https://www.worldbank.org/en/news/feature/2014/11/24/future-impact-of-climate-change-visible-now-in-yemen

https://climateandsecurity.org/2016/08/a-storm-without-rain-yemen-water-climate-change-and-conflict/

https://newrepublic.com/article/152011/climate-change-aggravating-suffering-yemen

https://www.arabstates.undp.org/content/rbas/en/home/library/crisis-response0/assessing-the-impact-of-war-on-development-in-yemen-.html