Commercial activity in the city has dropped by an estimated 80% over the last three days, according to its Chamber of Commerce.

This is just the latest extreme weather event to smash into Greece, whose economy relies heavily on tourism and agriculture and typically welcomes more than 1 million visitors from the United States each year.

Scientists say the human-driven climate crisis is exacerbating the severity and frequency of these wildfires, soaring temperatures and heavy rains that have…