NEW YORK, Sept 12 — The weather phenomenon known as El Niño can cause dramatic effects around the world. Henry Fountain explains where it comes from. — New York Times

Women look for water at Santa Isabel, August 19, 2014. According to a recent report by the Famine Early Warning Systems Network (FEWS NET), run by the US Agency for International Development (USAID), low rainfall linked to the El Nino weather phenomenon has led to drought in parts of Central America, causing widespread damage to crops, shortages and rising prices of food, and worsening hunger among the region’s poor. — Reuters pic
Women look for water at Santa Isabel, August 19, 2014. According to a recent report by the Famine Early Warning Systems Network (FEWS NET), run by the US Agency for International Development (USAID), low rainfall linked to the El Nino weather phenomenon has led to drought in parts of Central America, causing widespread damage to crops, shortages and rising prices of food, and worsening hunger among the region’s poor. — Reuters pic