There are only thought to be a few hundred of the critically endangered species left in the world.

The astronauts installed new solar panels to give the International Space Station more power.

The 18-year-old silverback was moved from Tenerife as part of an international breeding programme.

Pramila is protesting against a train depot being built in the forest where her community lives alongside leopards.

A large Adélie penguin population off Antarctica has fallen by 43% over the past decade.

Artemis I is Nasa’s most powerful rocket ever and is part of a plan to return humans to the Moon.

The BBC’s analysis editor looks at whether the UN’s target to limit global warming can still be reached.

Antonio Guterres apologises after being given a speech intended for an event for young people at COP27.

Scientists say climate change is making more than half of all infectious diseases worse, here’s why.

The former PM is asked whether he was worried when PM Rishi Sunak initially said he wouldn’t be attending the summit.

Prof Myles Allen uses a lump of coal to explain how burning fossil fuels results in global warming.

A hydroelectric scheme provides electricity for the residents of Knoydart.

The bison is the first to be born wild in the UK for thousands of years.

Nets used to be brought to shore and left in landfill or discarded in the ocean – putting seals at risk.

The emergency escape system on the uncrewed craft was triggered mid-air.

The footage released by released by the European Space Agency shows the phenomenon from space.

The south-western city of Chongqing was one of the areas hit worst by the flames in August’s heatwave.

The demonstrators are calling for more environmentally friendly transport options.

The extreme heat this summer has exacerbated the many hazards, leading to a sudden spike in deaths in Hungary.

Magdalena Martínez tells the BBC how she feels about leaving the island she grew up on.

Officials in the city of Xiamen have ordered PCR tests for seafood after some 40 people got Covid.