Links to information :-)
1 - Heatwave: taps run dry - http://www.telegraph.co.uk/science/2017/06/20/heatwave-taps-run-dry-householders-warned-limit-water-use-temperature/?WT.mc_id=tmg_share_tw
2 - Toretsk Water Crisis - http://112.international/conflict-in-eastern-ukraine/toretsk-on-the-verge-of-humanitarian-disaster-18309.html
3 - Petya Ransomware - https://www.rt.com/usa/394294-ransomware-attack-petya-merck/
4 - Yellowstone Supervolcano - http://www.dailymail.co.uk/sciencetech/article-4646214/Yellowstone-supervolcano-hit-swarm-878-earthquakes.html
