New research from the University of Bristol has identified the countries that are at the highest risk of heatwaves. The study, which was published in the journal Nature Communications, analyzed data from 1979 to 2017 and found that countries in the Middle East and North Africa are most at risk.
The research team used a new metric called the Heatwave Magnitude Index Daily (HWMID) to measure the intensity and duration of heatwaves. They found that the HWMID has increased by 0.33°C per decade since 1979, which means that heatwaves are becoming more frequent and more severe.
The study also found that countries in Europe, Asia, and Australia are also at high risk of heatwaves. The researchers predict that by 2100, the number of people exposed to heatwaves will increase by up to 12 times compared to the current population.
The study’s lead author, Dr. Dann Mitchell, said that “heatwaves are one of the deadliest natural hazards facing humanity, and they are becoming more frequent and severe due to climate change. Our research shows that some countries are at much higher risk than others, and urgent action is needed to protect vulnerable populations.”
The researchers recommend that governments take action to reduce greenhouse gas emissions and invest in measures to protect vulnerable populations from the effects of heatwaves. These measures could include improving access to air conditioning, providing shade in public spaces, and increasing public awareness of the risks of heatwaves.
The study’s findings are particularly relevant given the recent heatwaves that have affected many parts of the world. In June 2021, temperatures in Canada reached record highs, with some areas experiencing temperatures of over 49°C. In July 2021, parts of Europe experienced their worst heatwave in decades, with temperatures reaching over 40°C in some areas.
In conclusion, the new research from the University of Bristol highlights the urgent need for action to address the risks of heatwaves. The study’s findings show that some countries are at much higher risk than others, and that urgent action is needed to protect vulnerable populations. Governments must take action to reduce greenhouse gas emissions and invest in measures to protect their citizens from the effects of heatwaves.
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