Rainwater harvesting for drip irrigation, Lake Victoria, Tanzania. Photo credit: Wisions.net Everybody depends on it; there is no substitute for it if we run out; in some places, it’s more…

Jonas Jägermeyr |

Those who have tried toilet training a pet dog or cat know that it is a difficult proposition. How about toilet training a flock of 30 chickens? “Why would I want to?” Because in poor countries,…

Derek Headey |

Much work remains to be done to ensure reliable electricity access for Africa's citizens. A number of complications are making it difficult to achieve this UN Sustainable Development Goal.…

Charles Feinstein |

Also available in: Arabic | French | Spanish Rows of solar panel at a thermo-solar power plant in Morocco. (Photo: Dana Smillie / World Bank)Over the past several years much has been written about…

Sameh Mobarek |

Driving across the Danish countryside, they cannot be missed: towering white wind turbines as far as the eye can see, their slow-turning blades providing a 21st century counterpoint against the…

Nicholas Keyes |

Les systèmes de prépaiement peuvent-ils élargir l’accès aux services de l’eau aux populations défavorisées des villes et centres urbains d’Afrique ? Peuvent-ils en améliorer la qualité ? Cette…

Chris Heymans, Kathy Eales |

Can prepaid systems become an instrument to improve access and quality of water services to poor people in African cities and towns? Or does prepayment deny poor people more access to water? Do…

Chris Heymans, Kathy Eales |

D&E Green Enterprises: Saving Energy and the Forest in Haiti through Improved Cookstoves If you live on an island in the ocean, energy and climate issues come together in a palpable way. Most…

S. Vijay Iyer |

1 basin, 9 countries, 1 vision was in a brochure of one of the Council of Ministers meeting of the Niger Basin. The first time I saw that brochure I smiled as I right away thought about 9-1-1, the…

Amal Talbi |

The city of Windhoek is probably best known for the fact that it is the world pioneer of drinking water reclamation from purified sewage effluent.Windhoek lies in the heart of Namibia, the most…

Elaine Trepper |