Crisis in the Himalayas: climate change and unsustainable development

A catastrophe is looming in the world’s tallest mountain range. A disaster rockslide last month is thought to have claimed the lives of 200 people, seemingly indicating the start of a huge problem for the Hindu Kush Himalayan region. Benjamin Parkin contemplates how a deadly mixture of geopolitics, climate change dam building in an area with high geologically instability is a threat to the people of eight countries of the land.