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Mitigating El Niño's impact on water security

Ede Ijjasz-Vasquez's picture
Every 2 to 7 years, the cyclical warming of Pacific Ocean waters triggers a global pattern of weather changes that can be felt across many different parts of the world. This phenomenon, known as "El Niño", translates into intense rainfall and floods in certain areas, and severe drought in others. Due to its impact on precipitation, El Niño can seriously undermine water security, decrease agricultural yields and threaten livestock–putting considerable pressure on the livelihoods of affected communities.
 
Ahead of World Water Day 2016, Lead Disaster Risk Management Specialist Christoph Pusch explains how the World Bank helps client countries anticipate, respond to, and recover from El Niño-related shocks such as droughts or floods.

A simple model to assess the economic impacts of large projects

Kandadji Dam site in December 2012


It’s the classic conundrum that governments typically grapple with. Which projects are most beneficial in the long-term? How do large, expensive projects impact on the debt dynamics and macroeconomic stability? While there is a need for large infrastructure investment in the developing world it is often difficult for governments to determine the most beneficial projects.

Where water and climate change meet

This week, the 2015 Paris Climate Conference, or COP21, will gather countries that want to take action for the climate. A central topic of these discussions will focus on the intersection of water and climate change.

Combating climate change is everyone’s business. Reducing emissions and investing in renewable energy, improving city planning and building design standards, developing more efficient transportation, and reducing deforestation (among others) all play key roles in mitigating the effects of climate change. At the same time, countries, and industries, will also need to adapt to changes in the climate as they unfold. Since climate change will significantly increase the variability of rainfall, different parts of the world will become more vulnerable to floods or droughts. 

“Water scarcity and variability pose significant risks to all economic activities, including food and energy production, manufacturing and infrastructure development,“ said Laura Tuck, World Bank Group Vice President for Sustainable Development during a recent press conference at COP21. “Poor water management can exacerbate the effects of climate change on economic growth, but if water is managed well it can go a long way to neutralizing the negative impacts.”

Five Big and Controversial Ideas that Can Transform Africa

Steven Kapoloma's picture



A big idea can be rejected. It might be illegal. It might mean political suicide. In the words of Marcelo Giugale, the World Bank’s director of Economic Policy and Poverty Reduction Programs for Africa, challenging conventional wisdom isn’t always easy. But in the realm of big ideas, the risk is part of the reward.

A Trip to the Sahel Shows New Opportunities

Jim Yong Kim's picture

OUAGADOUGOU, Burkina Faso — I arrived in the Sahel on a four-country trip thinking of the trouble in the region: drought, hunger, and conflict. I left impressed by the political leadership and the resolve of the people. To learn more, please watch this video blog.

Managing Disaster Risk in South Asia

Marc Forni's picture

Losses due to disasters to human and physical capital are on the rise across the world.  Over the past 30 years, total losses have tripled, amounting to $3.5 trillion. While the majority of these losses were experienced in OECD countries, the trend is increasingly moving towards losses in rapidly growing states. 
 
In a sense, increasing risk and losses caused by disaster are the byproduct of a positive trend - strong development gains and economic growth. This is because disaster loss is a function of the amount of human and physical assets exposed to seismic or hydrometeorological hazards, and the level of vulnerability of the assets. The richer a country gets, the more assets it builds or acquires, and therefore the more losses it potentially faces.
 
Rapid development across South Asia signals the need to commit greater efforts to increase resilience to disaster and climate risk. It also requires governments to develop a strategy to both protect against events today and to develop strategies to address the losses of the future.  This is a challenge somewhat unique to South Asia. The losses of today, predominantly rural flooding that impacts wide swaths of vulnerable populations, will begin to diminish in relative importance to the losses of the future.

Why a 4-Degrees World Won't Cause Just One Water Crisis

Julia Bucknall's picture
There is much talk of a water crisis. We who work in water don't really see just one; we see lots of different water crises already now, getting worse as we move towards 2 and eventually 4 degrees above pre-industrial temperatures. Floods in some places, droughts in others, poor operation and maintenance making infrastructure unable to protect citizens in some places, lack of enforcement of rules leading to pollution crises or rampant overuse of groundwater in many others. So there are lots of water crises, some caused by nature, some by humans and most some a combination of the two.

The U.S. Drought Monitor: A Sophisticated Tool, But Do Not Be Intimidated by It

Nate Engle's picture

Evaluating the existence and extent of droughts is not an easy task. Not only are droughts "slow-onset" events that creep into the physical, environmental, and social systems of a region, they also have effects that span numerous sectors of a society. The U.S. Drought Monitor (USDM), as recently described by Dr. Michael Hayes from the National Drought Mitigation Center (NDMC) during a recent presentation at the World Bank, provides an example for other nations as they consider how to effectively manage this difficult endeavor of characterizing drought risks and impacts.

2.3 Million Lives Lost: We Need a Culture of Resilience

Rachel Kyte's picture

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By 2050, the urban population exposed tos torms and earthquakes alone could more than double to 1.5 billion.

Looking at communities across our planet, there is a brutal lack of resilience in our modern lives. Cities have expanded without careful planning into flood- and storm-prone areas, destroying natural storm barriers and often leaving the poor to find shelter in the most vulnerable spots. Droughts, made more frequent by climate change, have taken a toll on crops, creating food shortages.

In the past 30 years, disasters have killed over 2.3 million people, about the population of Houston or all of Namibia.

You Asked: What's Going on With Food Prices?

Karin Rives's picture

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Photo: © Michael Morris / World Bank

When the World Bank’s Food Price Watch reported last week that severe drought pushed prices of staples such as maize and soybean to an all-time high this summer, people everywhere took notice. What will it mean for the poor in regions most affected by rising prices? What will it mean for us? 

Economist José Cuesta, who authors the Bank’s quarterly Food Price Watch, asked readers of our last blog entry to submit their own questions about food prices. Here are his answers to a few of them.


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