One of the most consequential years for the planet has begun, with nations set to deliver fresh climate pledges as Trump returns to the White House and ICJ judges prepare a landmark ruling on climate accountability. Policy will also be shaped by a return to plastic treaty talks, Europe’s rollout of the first binding rules on deforestation, and a UN summit marking a decade since the Paris Agreement’s 1.5C target was set – a goal that’s still dangerously out of reach.