BEN TRE PROVINCE, VIETNAM - MAY 04: A farmer working on a drought hit rice field on May 04, 2016 in Ben Tre Province, Vietnam. Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. (Photo by Christian Berg/Getty Images)

UNSPECIFIED, VIETNAM - MAY 06: Mango for sale in Ben Tre Market, while a part of this years harvest has been spoiled the rest is smaller or lower quality then usual on May 04, 2016 in Ben Tre Province, Vietnam. Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. on May 06, 2016 in Ben Tre Province, Vietnam. (Photo by Christian Berg/Getty Images)

BEN TRE PROVINCE, VIETNAM - MAY 04: Dried out soil next to a farmers house on May 04, 2016 in Ben Tre Province, Vietnam. Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. (Photo by Christian Berg/Getty Images)

BEN TRE PROVINCE, VIETNAM - MAY 05: A woman collects what is left of usable leaves amidst a dried out Banana plantation on May 05, 2016 in Ben Tre Province, Vietnam. Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. (Photo by Christian Berg/Getty Images)

BEN TRE PROVINCE, VIETNAM - MAY 05: A woman works in nursery for grapefruits on May 05, 2016 in Ben Tre Province, Vietnam. Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. (Photo by Christian Berg/Getty Images)

BEN TRE PROVINCE, VIETNAM - MAY 05: Water levels are low in the canals of the Mekog Delta on May 05, 2016 in Ben Tre Province, Vietnam. . Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. on May 05, 2016 in Ben Tre Province, Vietnam. (Photo by Christian Berg/Getty Images)

BEN TRE PROVINCE, VIETNAM - MAY 05: A girl walks over a dried out lot of land on May 05, 2016 in Ben Tre Province, Vietnam. Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. (Photo by Christian Berg/Getty Images)

BEN TRE PROVINCE, VIETNAM - MAY 05: A boat in a dry canal on May 05, 2016 in Ben Tre Province, Vietnam. . Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nino weather patterns and hydroelectric dams. Based on reports, nearly 140,000 hectares of the Mekong Delta in Vietnam are bone dry and contaminated by salt water, as brine from the sea pushes up the delta's channels. People in affected regions are growing desperate to find water for basic needs and huge amount of the crops for the coming harvest in Vietnam's Mekong Delta, which produces about half of the country's rice, have been spoiled. on May 05, 2016 in Ben Tre Province, Vietnam. (Photo by Christian Berg/Getty Images)