by Noemi CASSANELLI Agence France Presse   KORZOK, India (AFP) —  For centuries the Changpa have tended the shaggy goats that provide silky-soft, super-expensive pashmina wool. But now many are rethinking their way of life, in part because of climate change. Winters have become harsher and summers drier for the semi-nomadic people living 5,000 metres (16,400 feet) up in the Changtang region straddling northern India and Tibet. This and other factors have pushed many on […]