As the world’s first carbon-negative country, Bhutan absorbs more carbon dioxide than it emits.

Protected forests cover most of this tiny Himalayan kingdom, and renewable energy sources are prioritised.

But global warming is now threatening to disrupt life and livelihoods here.

Rivers, the main sources of hydropower, are slowly drying up. In the high mountains, melting glacial lakes are at risk of overflowing.

101 visits Bhutan, a country at the frontier of the climate crisis.