A winegrower protects himself from the sun with a hat as he works in Burgundy vineyards in Gevrey-Chambertin, central-eastern France, on May 28, 2026 as a heatwave hits France. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by ARNAUD FINISTRE / AFP via Getty Images)

Winegrowers protect themselves from the sun with hats as they work in Burgundy vineyards in Gevrey-Chambertin, central-eastern France, on May 28, 2026 as a heatwave hits France. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by ARNAUD FINISTRE / AFP via Getty Images)

A winegrower protects himself from the sun with a hat as he works in Burgundy vineyards in Gevrey-Chambertin, central-eastern France, on May 28, 2026 as a heatwave hits France. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by ARNAUD FINISTRE / AFP via Getty Images)

A winegrower protects himself from the sun under an umbrella as he works in Burgundy vineyards in Gevrey-Chambertin, central-eastern France, on May 28, 2026 as a heatwave hits France. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by ARNAUD FINISTRE / AFP via Getty Images)

A person uses a fan as she sits on the Seine river banks behind the Notre-Dame Cathedral in Paris as a record-breaking early heatwave scorches a swathe of western Europe on May 28, 2026. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by Simon WOHLFAHRT / AFP via Getty Images)

A pharmacy sign indicates 30 degrees Celsius around 16h00 pm in Paris as a record-breaking early heatwave scorches a swathe of western Europe on May 28, 2026. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by STEPHANE DE SAKUTIN / AFP via Getty Images)

TOPSHOT - A person protects from the sun under an umbrella while walking toward the Eiffel Tower in Paris as a record-breaking early heatwave scorches a swathe of western Europe on May 28, 2026. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by SIMON WOHLFAHRT / AFP via Getty Images)

A person protects from the sun under an umbrella in front of Notre-Dame Cathedral in Paris as a record-breaking early heatwave scorches a swathe of western Europe on May 28, 2026. The UK and France have reported their hottest ever May days this week as a "heat dome" brought sizzling temperatures more typical of midsummer to western Europe. UN climate chief Simon Stiell said the heatwave was "a brutal reminder of the spiraling impacts of the climate crisis. "The science is clear that human-induced climate change is making these heatwaves more frequent and extreme," Stiell add in a statement. (Photo by SIMON WOHLFAHRT / AFP via Getty Images)