A summer of extreme heat breaks records around the world

A summer of extreme heat broke records around the world this year, as scorching temperatures, wildfires, floods and other climate-driven disasters struck regions across the globe, underscoring the accelerating impacts of global warming and intensifying concern about the climate crisis.

Sweltering heatwaves gripped many parts of the world, with temperatures reaching extraordinary levels and records falling in numerous locations, straining health systems, power grids and infrastructure, and endangering lives, particularly among vulnerable populations.

The extreme heat was accompanied by other climate-related disasters, including destructive wildfires, severe flooding and powerful storms, as the summer brought a succession of events that scientists linked to the warming of the planet driven by human activity.

Scientists and international bodies reported that the period ranked among the hottest on record, and they warned that such extremes were consistent with the trajectory of a warming climate and likely to become more frequent and severe without significant action to reduce emissions.

The events underscored the mounting and increasingly visible impacts of climate change, which was shifting from a distant threat to a present reality felt in the form of extreme weather and disasters affecting communities around the world.

The summer of extreme heat intensified calls for stronger action to address the climate crisis, even as the challenge of transforming the global energy system and reducing emissions remained formidable. The record-breaking temperatures and the toll of climate-driven disasters served as a stark reminder of the stakes of the climate crisis and the urgency of the response, a defining and sobering story of a year increasingly marked by the consequences of a warming world.