Electricity from rural cellphone towers in poor countries could chill vaccines, saving 5 million lives every year, say Harvey Rubin and Alice Conant.

Globally, 2.6 billion people lack access to safe and clean toilets. For example, 92 per cent of the population in Afghanistan don't have proper sanitation; 67 per cent in India as well. A

The seventh World Toilet Conference got over in Delhi on November 2. The theme of the four-day summit was

With the sewage system of Baghdad collapsing recently after four days of incessant rain, the city was left at the mercy of waterborne diseases. In some areas of the city drinking water was getting

Standard of living determines a child s height

Pages