Solar survivor: can oil giant Kazakhstan wean itself off the black stuff?

Kazakhstan is rich with oil, gas and coal but Nursultan Nazarbayev, its president for life, has committed the country to a dramatic shift from fossil fuels to green energy. Is this huge nation, which is beset by rural poverty, major infrastructure challenges and environmental crises, able to realise his vision? Phoebe Greenwood travels to  the Kazakh capital, Astana, and the Aral Sea region Many thanks to Kunzberg spatial communications for the use of music from the Future Astana Expo installation