Water and climate experts call for Green Water Initiative in Africa
Stockholm (28 August 2016) – Water and climate experts on Sunday called for a Green Water Initiative, as part of a Water Revolution in Africa, a necessity, they said, for alleviating hunger on the continent and meeting the Sustainable Development Goals.
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At the onset of World Water Week, a group of world-renowned hydro-climate experts said that rainwater harvesting and other green water management methods, are key to alleviating hunger in sub-Saharan Africa and meeting the Sustainable Development Goals.
Green water is the part of the rain that infiltrates into, and is stored in, the soil.
“Large parts of the world are struggling to adapt to a drier reality, but challenges are especially dire in Africa’s drylands. Africa’s climate is its Achilles Heel”, said Professor Malin Falkenmark, Senior Scientific Advisor to Stockholm International Water Institute (SIWI).
In the water-scarce regions of sub-Saharan Africa (mainly consisting of savannah), direct management of scarce rainfall must form an integral part of the development agenda, said the group, which includes Malin Falkenmark, Johan Rockström, Johan Kuylenstierna, Charles J. Vörösmarty and Torgny Holmgren, during Sunday’s Malin Falkenmark Symposium at World Water Week.
The vast drylands encircling the Congo Basin are home to some 750 million people, a number that is expected to increase to 1.6 billion in the next 35 years. Meanwhile, agricultural yields in this region are very low, on average around one tonne per hectare, as a result of frequent droughts.
The group said that to meet the Sustainable Development Goal 2 (End hunger, achieve food security and improved nutrition, and promote sustainable agriculture), Africa needs a Triple Green Revolution: green for productive use of green water, green for intensification and enhanced food production, and green for sustainability and building water resilience in watersheds.
Rain, the scientists said, is the ultimate water source in dryland agriculture, as the limited blue water (such as rivers and streams) will be needed for increased urban water supply, industry and energy production.
They suggest rainwater harvesting systems that can offer supplementary irrigation, harvested from slopes and valley bottoms and stored in ponds or dams for use during dry spells and drought periods.
To finance the initiative, the group proposed a Water Harvesting Innovation Fund for Africa, to build water resilience for food security and human well-being.
“Initiatives like the Green Water Initiative in Africa, within the framework of the 2030 Agenda is of great importance if we will have any chance of realizing the Sustainable Development Goals. I hope to see some concrete response to this call,” said SIWI’s Executive Director Torgny Holmgren.
The group behind the call include:
- Malin Falkenmark, Stockholm International Water Institute and Stockholm Resilience Centre;
- Johan Rockström, Stockholm Resilience Centre;
- Johan Kuylenstierna, Stockholm Environment Institute;
- Charles J. Vörösmarty, CUNY Advanced Science Research Center; and
- Torgny Holmgren, Stockholm International Water Institute;
World Water Week, the leading annual global meeting for water and development issues, is hosted by Stockholm International Water Institute (SIWI). It welcomes over some 3,000 participants from over 120 countries, who gather to discuss global and local water and development challenges.
About Stockholm International Water Institute (SIWI)
SIWI is a policy institute working for a water wise world. SIWI does independent research, generates knowledge and provides expert analysis and advice on water issues to decision-makers and other agents of change. SIWI organizes World Water Week in Stockholm – the leading annual global meeting place on water and development issues – and hosts the Stockholm Water Prize and the Stockholm Junior Water Prize.
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