During press briefings at the beginning of the G20 meeting of industrialized nations in Buenos Aires, UN Secretary António Guterres described the event as an essential forum, citing a lack of confidence and high level of confrontation within the international community.

As global temperatures continue to rise, climate action is lagging and the window of opportunity is closing. On Sunday, the United Nations will kick off critical negotiations on how to address the problem collectively and urgently, during a two-week climate change conference in Katowice, Poland, known as “COP24”.

A new report released on Tuesday by the United Nations Environment Programme (UNEP) shows that global carbon dioxide (CO2) emissions rose again during 2017 after a three year hiatus, highlighting the imperative for countries to deliver on the historic Paris Agreement to keep global warming to below 2°C above pre-industrial levels.

Levels of heat-trapping greenhouse gases in the atmosphere have reached another new record high, according to a report issued on Thursday by the United Nations weather agency, which reveals that there is no sign of reversal of this trend, responsible for climate change, sea level rise, ocean acidification and extreme weather.