SciDev.Net: A network of ‘solar valleys’, generating the know-how to realise India’s solar energy ambitions, has been mooted by its prime minister, Manmohan Singh. India’s solar energy mission, launched this week (11 January), is one of its eight core national missions under a national action plan on climate change (see ‘Doubts raised over India’s plans for solar power’). The country aims to generate 20,000 megawatts (MW) of electricity from the sun by 2020. “If the ambitious mission is to …