Photo: Caroline Weimann/Siemens Stiftung This past February, Kenyan President Uhuru Kenyatta officially declared the drought in his country a national disaster. No rain had fallen for months in…

Caroline Weimann |

We are all too familiar with these figures: on average, only 50% of the population in Latin America is connected to sewerage and 30% of those households receive any treatment. These figures are…

Diego Juan Rodriguez |

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 |