The world’s 1.2 billion poorest people, who are facing a long and perhaps endless wait for a connection to mains electricity, solar power could be the answer to their prayers.
During a visit to a young mother’s home in rural Shaanxi province in north-western China, Qin Shuhui, a family-planning worker, sets out a row of plastic cups on a bare concrete floor.
PERCHED on a hill in Geneva above the city’s cluster of international agencies, the modernist headquarters of the World Health Organisation (WHO, pictured above) seems a manifestation of the organi