China’s new renewables pricing mechanism may not give generators the stability they need

With a population of 10.1 million, Peru’s capital of Lima is the fifth-largest city in the Americas – and one of the driest cities on Earth. Situated on a desert plain overlooking the Pacific Ocean, Lima receives just nine millimitres of rain a year – less than most Saharan villages. The city draws water mainly from aquifers and the polluted river Rímac, which rises 200 kilometres to the east in t