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A low-priced water reuse process that also delivers renewable energy in rural areas

Christian Borja-Vega's picture

What do Yucatan (Mexico), Michoacan (Mexico), Karur (India), and Jan Kempdorp (South Africa) have in common? These are all places with successful stories of implementing Anaerobic Digestion (AD) for wastewater treatment. But what is AD? What are the benefits?  

AD systems are installed for many different purposes, such as a waste treatment step, a means to reduce odours, a source of additional revenues, or a way to improve public image. The AD treats water and waste, reducing adverse environmental impacts. Through AD, two main by-products can be obtained: biogas—that can be used as a fuel, and sludge—that can be used as a soil amender for improve crops. These AD “by-products” are important in the context of mitigating the impacts of climate change, where environmental co-benefits come from efficient use of “by-products”. For instance, livestock enteric fermentation, livestock waste management, rice cultivation, and agricultural waste burning are all sources of methane emissions, representing between 7 and 10 percent of global methane emissions. AD not only treats water through an environmentally sustainable approach, but also contributes to produce high rates of methane for recovery and further utilization.

Source: The Global Partnership on Output-based Aid, 2015. Note Number 8. Biogas Support Program in Nepal.

Becoming part of a mainstream movement – blended finance in water and sanitation

Ivaylo Kolev's picture
Persuasion does not always involve an epiphany. Often, attitudes are formed and opinions are shaped by the steady accumulation of evidence and examples. And so, it has been for me when it comes to blended finance.
 
While anecdotes of transformation may be catchier, the gradual absorption of the work of experts and practitioners is frequently how one’s thinking evolves. I left the recent 2018 Global Water Summit not feeling transformed or possessed by the idea that blended finance is THE solution for bridging the humongous financial gap required to meet SDG6, but more convinced than ever it has a key role to play. I was also positively surprised that this financial solution is no longer an exotic stranger to our sector and that a significant number of water supply and sanitation (WSS) practitioners are implementing blended finance schemes.
Credit: World Economic Forum

Indian agriculture at a crossroads: Smart solutions towards doubling farmers’ incomes

Martien van Nieuwkoop's picture
A few weeks ago, I felt a sense of déjà vu.  I was at a roundtable on agriculture in Delhi, in the same conference hall where, ten years ago, I participated in the consultations on the Bank’s World Development Report 2008 on Agriculture for Development
 
This time we were discussing how India can build a stronger agriculture sector without further harm to the environment or depletion of its natural resources.  The high-level dialogue was attended by senior representatives from India’s Niti Aayog, Ministry of Agriculture and Farmers’ Welfare, leaders of farmers’ associations from Punjab and Haryana, as well as by researchers, academics, and donors.

We focused on the ‘agriculture-water-energy’ nexus, achieving India’s second green revolution, making agriculture more climate resilient, as well as options to stop the burning of crop residue that is worsening air quality in much of northern India. It was heartening to see the torch bearers of India’s drive towards food security unhesitatingly debate a host of complex and sensitive issues.
 
Photo Credit: Alamy Stock Photo

Over the past six decades, India has come a long way from being a famine-prone country to comfortably producing food for 1.25 billion people from finite arable land. Food security firmly in hand, the government is now targeting to double farmers’ incomes by 2022.  Today, with rapidly growing urban food markets, India is emerging as a global agricultural powerhouse.

Blended Finance: a key to achieve universal access to water supply and sanitation by 2030

Aileen Castro's picture



What does it take to finance sustainable water supply and sanitation? The World Bank Group takes this question very seriously indeed. That’s why during the recent Global Water Summit, the World Bank Group partnered with the organizer, Global Water Intelligence, to present the key concepts of Blended Finance to participants from all over the world.
 
But what is blended finance and why is the World Bank talking about it?

From 400 to 41 water supply and sanitation utilities in 4 Years: Lessons from Hungary’s experience with aggregation

Andras Kis's picture

This story forms part of World Bank’s Toolkit on the Aggregation of Water Supply and Sanitation Utilities Aggregation that includes a series of case studies (including Hungary). The toolkit is based on the findings of the new World Bank global study entitled, "Joining Forces for Better Services? When, Why, and How Water and Sanitation Utilities Can Benefit from Working Together".

Inside a water utility in Hungary. Credit: Veolia 
 

Thirsty Energy: A five-year journey to address water-energy nexus challenges

Anna Delgado Martin's picture
Download the full infographic 


About 5 years ago we embarked on a global initiative titled “Thirsty Energy” to respond to water-energy nexus challenges around the world. The initiative, a joint effort of the Water and the Energy Global Practices at the World Bank, has finally come to an end. We wanted to reflect on the lessons learnt along the way, as our team has developed a fantastic set of material and methodologies to move the needle forward on this issue. We hope that the global community takes advantage of this to ignite change.

Go with the flow – adaptive management for urban flood risk

Adeline Choy's picture
Photo: Flooding in Yangon. Source: Flickr


The future is uncertain. It’s hard to know exactly how our climate will change. That means there is also deep uncertainty around its impacts on flooding, the most prevalent disaster worldwide. Floods account for 43% of all recorded disaster events in the past 20 years. Will climate change exacerbate flooding events? How much will sea level rise? How extreme will rainfall be?

What we do know is that the best way to cope with uncertainty is flexibility.

While it may be difficult to predict impacts, we can – and must – take action. Growing uncertainty means preparation is even more urgent. To meet future challenges, we need adaptable urban flood management today.

Better forecast, better preparedness – investing in improved weather services

Adeline Choy's picture

Sun or rain? Most of us rely on the daily weather forecast to know what to wear or whether to bring an umbrella. However, for millions of people living in flood prone areas, timely and accurate forecasts, as well as early warning, can impact more than just clothing choices –they can help minimize flooding impacts.
 
Floods are the most frequent and damaging among natural hazards. Between 1980 and 2016, floods led to economic damages exceeding US$1.6 trillion, and more than 225,000 people losing their lives. Compounded by rapid urbanization and climate change, these losses will likely increase, especially in fast-growing countries.

Connecting with the people beyond the computers: my experience in flood risk management in Buenos Aires

Catalina Ramirez's picture
Also available in Español 

After spending several years in front of a computer every day, I began to feel removed from those people who were the real reason for my work, which aims to build a safer, healthier and more prosperous environment. But when people I knew were directly affected by the issues I was working on, my work took on more meaning and urgency.

SDGs and PPPs: What's the connection?

Mahmoud Mohieldin's picture


Photo: World Bank Group

By committing to the Sustainable Development Goals (SDGs), countries pledge to pursue progress on economic, social, and environmental targets, in a balanced and integrated manner. The SDGs are cross-cutting and ambitious, and require a shift in how we work in partnership. They also push us to significantly change the level of both public and private investment in all countries.

We need creative solutions to leverage each partner’s comparative advantage. We also need to mobilize private sector investment and innovation in support of the SDGs.


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