An investigation is launched after the marine mammal was found with the president's name on its body.

The former secretary of state is among the names announced for key roles in the new US administration.

What will a Joe Biden presidency mean for the global battle against rising temperatures?

After a three year wait, the US becomes the first nation to leave the Paris climate pact.

Who next occupies the White House could be decisive in the battle to limit global warming.

The president hails the changes as "historic", but critics say they are designed to avoid scrutiny.

The pipeline, which protesters fought against, is ordered to conduct a fresh environmental review.

There is no joint declaration by Arctic nations as the US criticises climate change wording.

Following three years of decline, US carbon emissions spiked in 2018, according to new research.