BBC

Scientists say capturing footage of the black-naped pheasant-pigeon was like "finding a unicorn".

Clashes over cash for poor countries are dominating as talks at COP27 in Egypt go down to the wire.

A tide of plastic debris from all over the world has washed up on Ascension Island, says researchers.

The American space agency is trying once again to get its giant new Moon rocket off Earth.

A lack of government investment in an animal disease lab is a threat to safety, a report says.

Women barely feature in negotiations in Egypt despite bearing the brunt of climate change.

A climate-change resistant Red Sea reef is being flooded with toxic wastewater, leaked documents show.

Young campaigners say they are calling out "greenwashing" at COP27 from the inside.

There are fears the commitment to a key warming limit may soften as nations seek agreement in Egypt.

Changes to our planet's shine is just one of the stranger side effects of rising temperatures.

How the BBC uncovered gas flaring in an Iraqi oil field, where locals are showing a high rate of cancer.

The US president also defends his country's climate leadership at the UN summit COP27.

Leading scientists and businesses have said that cuts to the government's research risks "stalling" efforts to make the UK a science superpower.

There is a 50% chance dangerous warming limit will be breached in nine years, experts say.

Chief executive of leading oil company is registered for COP27 as a delegate from poor African nation.

Suspects are almost 25% more likely to be charged for crimes in urban areas than the countryside.

Data shared exclusively with the BBC show large numbers of oil and gas lobbyists attending COP27.

Political tensions mean both nations have been shut out of the EU's prestigious Horizon programme.

Indigenous people warn of risks to the Okavango Delta, and an ex-bishop of Namibia calls on COP delegates to take action.

India wants to embrace an environment-friendly lifestyle to fight climate change - but what about its economy?