Climate change contributed to the deaths of at least 3,700 people and the displacement of millions in 26 weather events studied in 2024, an analysis by World Weather Attribution (WWA) and Climate Central reveals.
"These were just a small fraction of the 219 events that met our trigger criteria, used to identify the most impactful weather events. It’s likely the total number of people killed in extreme weather events intensified by climate change this year is in the tens, or hundreds of thousands," the analysis said.
Globally, climate change added on average 41 additional days of dangerous heat in 2024 that threatened people’s health, the new analysis added.
Extreme weather reached dangerous new heights in 2024. This year’s record-breaking temperatures fueled unrelenting heatwaves, drought, wildfire, storms and floods that killed thousands of people and forced millions from their homes. This exceptional year of extreme weather shows how dangerous life has already become with 1.3°C of human-induced warming, and highlights the urgency of moving away from planet-heating fossil fuels as quickly as possible.
The researchers, according to The Guardian, called for deaths from heatwaves to be reported in real time, with current data being a “very gross underestimate” because of the lack of monitoring. It is possible that uncounted millions of people have died as a result of human-caused global heating in recent decades.
Heatwaves are the deadliest type of extreme weather. However, the dangers of high temperatures are underappreciated and underreported. In April, a hospital in Mali reported a surge in excess deaths as temperatures climbed to nearly 50°C. Reported by local media, the announcement was a rare example of health professionals raising the alarm about the dangers of extreme heat in real-time. Health systems worldwide are stretched, but informing local journalists when emergency departments are overwhelmed is a simple way to alert the public that extreme heat can be deadly, the researchers noted.
The burning of oil, gas and coal are the cause of warming and the primary reason extreme weather is becoming more severe. Last year at COP28, the world finally agreed to ‘transition away from fossil fuels,’ but new oil and gas fields continue to be opened around the world, despite warnings that doing so will result in a long term commitment to more than 1.5°C and therefore costs to people around the world. Extremes will continue to worsen with every fraction of a degree of fossil fuel warming. A rapid move to renewable energy will help make the world a safer, healthier, wealthier and more stable place, the study resolved.