Severe drought causes significant impacts for farmers across the world. Here is a story from Yahoo News on the lengthy drought in Turkey and how desperate farmers overusing irrigation are causing sinkholes to develop in their fields as they remove the groundwater. Not so different than the overuse of groundwater in California except that in CA the entire ground is sinking due to the loss of underlying water while in Turkey the geology is such that sinkholes are more likely to develop. You can read more at https://news.yahoo.com/sinkholes-fill-turkeys-breadbasket-drought-064412517.html.