Fast-rising methane emissions could undermine efforts to limit global warming by mid-century, prompting scientists and policymakers to urge aggressive action to curb output of the potent greenhouse gas.

Keir Starmer unveils ambitious UK climate goal at COP29 The Prime Minister has arrived in Azerbaijan for the Cop29 climate summit, where he will argue that the transition to green energy is an investment opportunity.

Sir Keir Starmer has said he will not be “telling people how to live their lives” as part of plans to reach the UK’s new emissions reduction target. He will set the emissions goal out at Cop29 later on Tuesday but it has been reported that the UK will pledge to reduce its emissions by 81% compared with 1990 levels by 2035,