Chantek could also clean his room, make and use tools and learn the route to a restaurant.

There are huge uncertainties in greenhouse gas totals due to inaccurate data, the BBC finds.

Thousands of the "rare" tadpoles have been spotted at a reserve despite adverse breeding conditions.

There are now four species of wild snake native to the UK, not three as scientists first thought.

The algorithm learned to recognise sarcasm, allowing it to spot hate speech faster than humans.

The first record of a pine marten living in Yorkshire for about 35 years

A rash of new incinerators could make it impossible for the UK to meet future recycling targets.

Lisa Kikuchi of SenSprout tells the BBC how she is developing soil moisture sensors to help Japan's farmers.

It's ziplines versus a Sunoco pipeline in one Pennsylvania family's backyard.

How can the UK can keep household bills down while also meeting environmental targets?

The whale heart at Royal Ontario Museum Canada is a rare find, as blue whale carcasses usually sink.

Weather-related deaths could surge by 2100 if nothing is done to curb climate change, scientists say.

This Turkish animal lover was so affected by injured animals, he set out to help them.

Plans to promote electric vehicles in the UK are not enough tackle air pollution says leading adviser.

Most washing machines come with 25kg of concrete - but researchers claim there's a simple alternative.