Simon Stiell, executive secretary of the United Nations Framework Convention on Climate Change (UNFCCC), says countries must ...

At the opening of the Bonn Climate Conference 2025, UN climate chief Simon Stiell said the 1.5°C global warming limit is still achievable, citing positive actions by major economies and urging ...

Executive Secretary Delivered Remarks at Closing Plenary of June UN Climate Meetings: We Need to go Further, Faster, Fairer ...

UN climate chief Simon Stiell urged countries on Thursday to accelerate negotiations ahead of the COP30 in Brazil as there ...

By Kate Abnett BONN (Reuters) -Countries agreed on Thursday to increase the U.N. climate body's budget by 10% for the next ...

Below are remarks delivered by UN Climate Change Executive Secretary Simon Stiell at an event to mark the 10-year anniversary ...

Stiell also led the first-ever global stocktake of the world’s efforts to limit global warming to 1.5°C above pre-industrial levels during COP28 in Dubai last year. The stocktake pointed to ...

Simon Stiell, executive secretary of U.N. Climate Change, speaks at COP29. The effects of climate change are already having a deep negative impact on the gross domestic product of nations across ...

Simon Stiell, executive secretary of the United Nations Framework Convention on Climate Change (UNFCCC), has urged governments to implement stronger national climate policies ahead of COP30. He argued ...

The plea, made in a letter to G20 leaders from top U.N. climate official Simon Stiell, comes as negotiators at the COP29 conference in Baku struggle for a deal intended to scale up money to ...

Greenhouse gas concentrations in the atmosphere reached record highs in 2023, the U.N. warned, with countries falling "miles short" of what is needed to curb devastating global warming.

During his opening remarks on Monday, Simon Stiell, the U.N. climate change executive secretary, chastised the delegates, warning them that they are losing sight of the forest because they are ...