The Chilean government has declared an agricultural emergency in many areas to try to fast-track a series of relief measures for farmers, including provision of drinking water and medicine for animals. Central Chile is in the midst of what scientists have called a Mega Drought — an uninterrupted period of dry years since 2010. The capital Santiago, home to about half of the country’s population of 18 million and the regions of Coquimbo, Valparaiso and O’Higgins bear the brunt of this year’s drought,…