The Latest Breaking News from António Guterres

UN chief calls for a four-day truce to allow for evacuations, but Russian envoy says he is ‘sceptical’ about the idea.

KRAMATORSK, Ukraine — Determined to seize control of Ukraine’s industrial heartland, Russia on Tuesday intensified its assaults across the country’s east while keeping up the bombardment of Ukrainian forces in the besieged southern port of Mariupol.

Deadline passes for Ukrainian forces in Mariupol to surrender, and dozens of civilians leave city via humanitarian corridor

Former UN officials say body could be doomed if secretary general does not play a bigger role in mediating for peace in Ukraine

Earth Day highlights the actions we can take to address environmental problems.

The climate authority has warned it is now or never to cut emissions but will MPs on the campaign trail heed its warning?

Climate Change Commission chair Rod Carr has been appointed to a UN panel tasked with ensuring corporate and municipal climate claims are credible and can be achieved.

Ukraine urgently needs help – and if the UN can’t act, the global consequences could be catastrophic, says foreign affairs commentator Simon Tisdall

United Nations Secretary-General António Guterres didn’t mince words in responding to the latest Intergovernmental Panel on Climate Change report, which shows global warming is on track to blow past a critical 2.7-degree Fahrenheit limit by the end of this decade unless countries make swift and dramatic cuts in fossil fuel…

Ukraine’s president says UN system ‘must be reformed’ after evidence emerged of civilian massacres in parts of Ukraine.

Greenhouse gas emissions must peak by 2025, say climate scientists in what is in effect their final warning