The world’s toughest rail route, from Kerung in Tibet to Kathmandu, is struggling to get off the ground amid growing fears of debt, earthquakes and benefits bypassing local communities

Modi’s government should focus on local solutions and stronger governance rather than build large dams and river diversions, argues Ashok Swain

Chinese companies building overseas should adopt voluntary sustainability standards to boost their image and drive low-carbon development

A new book by US architect maps the Ganges river from its source in the Himalayas down till the ancient city of Varanasi