US tribe fights use of treated sewage to make snow on holy peaks

The Hopi tribe is taking on an Arizona ski resort over its use of artificial snow: ‘People compare it to baptizing a baby with reclaimed water’

‘The help never lasts’: why has Mexico’s education revolution failed?

Education was meant to be president Enrique Peña Nieto’s flagship policy. Yet salaries are still being paid to ‘ghost teachers’ who never enter a classroom, while children lack the tools – and sometimes even the food – they need to learn