Diversifying rice varieties to combat climate change

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They also say Vietnam and other Mekong countries must prepare for an increase in future extreme weather events by boosting their early disaster planning and preparedness activities to mitigate the negative impacts of these types of weather phenomena.

The weather system delivered an increase in storms in 2015, followed by the worst drought in the Mekong Delta area in nearly a century, wreaking havoc on the environment and the livelihoods of the regions 20 million inhabitants.

The Vietnam government released a drought recovery plan on October 17 that outlines measures be taken in the short, medium and long terms. In the report, government economists have estimated the total economic loss from the drought at US$660.8 million (VND15 billion).

This calculates out to 0.35% of the national GDP, resulting in negative agricultural growth of 0.18% for calendar year 2016, the first time in decades the agriculture segment of the economy has contracted.

The intense drought that peaked in the country between February and May brought record-high salt levels and severe water shortages. About 2 million people had no access to water for consumption and domestic use, 2.2 million were food insecure, and more than 2 million lost income due to damaged or lost livelihoods, the report said.

Though drought conditions in Vietnam ended in September, their ramifications have created an ongoing need for humanitarian assistance.

The drought impact for affected households is still lingering and needs are pertinent, particularly in terms of water storage and purification, hygiene and nutrition support, disease surveillance and response, and livelihood recovery, the report said.

The drought recovery plan lays out a wide range of goals aimed at ensuring that the 18 provinces affected by the drought including those in the Mekong Delta region, receive water and water treatment supplies, foods, seed packages, nutritional supplements, essential medicines, and fish and poultry restocks.

The plan will also provide irrigation infrastructure repairs, cash-for-work programs, and technical assistance and technology for improved meteorological and disaster forecasting.

The provinces have estimated that the total cost of the recovery from now until 2020 will be more than US$1.2 billion, the report said.

“For medium-and longer-term recovery, there should be a more comprehensive approach to water supply, water, and land resource management, adaption measures for livelihoods and agricultural restructuring for a changing climate,” said Vu Minh Hai of Vietnam's Climate Change Working Group in an email.

The Vietnam government has provided support of nearly US$60.7 million (VND1.5 billion dong) since 2015 to provide food, water purification tablets, financial aid, and water infrastructure repair work to the drought-affected areas of the country, according to the drought recovery plan.

United Nations agencies and NGOs have mobilized a further US$6.1 million from various sources to provide water supplies, sanitation and hygiene, nutrition, food, health, and financial aid for Vietnamese who live in the provinces affected by the drought, the report said.

Robinson, a former president of Ireland who previously served as UN High Commissioner for Human Rights, said leaders of countries must do more, especially since other extreme weather events will continue to take a toll on areas with vulnerable populations in the future.

“We want leaders of countries to be in the forefront of a new approach,” said Robinson, who visited Vietnam earlier this year as part of a UN mission to see how climate change weather patterns have affected the Mekong Basin.

Despite ongoing efforts to continuously monitor and address the impact of climate change, saltwater intrusion, and water availability in the Mekong Delta’s farmlands, the sharing of information with farmers remains “still slow and uncoordinated,” said Wilhelmina Pelegrina, food and ecological agriculture campaign coordinator at Greenpeace Southeast Asia.

“Democratizing and decentralizing climate information at the level of villagers or municipalities and enabling farmers and fisherfolk to have access to this information and its interpretation are crucial,” she said in an email.

“By having climate information in the hands of farmers and fisherfolk combined with their local knowledge systems, they will be able to plan and adjust their farming and fishing systems.”

Farmers in the Mekong Delta must “climate-proof” their farming by diversifying their crops to ensure that they have food when extreme weather events occur, Pelegrina said.