Carbon emissions need to be cut to 'net zero' by 2050 to avoid the most dangerous climate impacts.

Nations are under pressure to improve on the environmental commitments made in Paris in 2015.

Human activities are causing world temperatures to rise, posing serious threats to people and nature.

It is also set to be the world's first breach of 1.5C of warming across an entire calendar year.

Trump's election will hit immediate efforts to tackle climate change, experts say - but the longer-term effect is less certain.

Extreme heat linked to the deaths of hundreds of people would not have happened without global warming.

The natural event that adds to global warming has ended but scientists are unsure of what comes next.

Independent advisers say ministers have not delivered the policies to cut greenhouse gas emissions.