In a tribe in southern India, a group of women are working hard to revive the country's ancient native tubers, and bring them back into everyday culture.

As glaciers and ice patches melt, they reveal untold stories of human skill, adventure, faith – and deadly conflict.

The project aimed to reverse decades of seagrass decline, and experts have seen signs of "recovery".

The significant case could clarify governments' legal responsibilities in relation to climate change.

Two years of negotiations to reduce global plastic production have collapsed amid a split between countries.

The project aims to boost canopy cover by 1%.

A couple hit by flooding twice in the past 12 months say they fear a repeat of Storm Bert.

For the first time in 100 years, California condors flying over Yurok land, thanks to an intensive reintroduction programme.