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Summer is undergoing a drastic change and experiencing deadly record-high temperatures due to the climate crisis. The frequent occurrence of severe and long-lasting heat waves in different parts of the world at the same time has led to droughts and wildfires. The latest extreme-heat news of 2023 shows that the US, Canada, China, and South Asia have been hit by back-to-back heat waves, putting pressure on the power grids, damaging crops, and leading to food shortages. The incoming El Niño effect could exacerbate the situation by pushing warm water and weather towards North and South America. Furthermore, oceans worldwide are experiencing record-high temperatures, with the average global ocean temperature hitting a new record high in April 2023. The high temperatures have led to dehydration in horses, deaths, and early school closures in Spain and South Asia. Heat waves are becoming increasingly common, leading to a 30% increase in the likelihood of such disastrous events, according to a study by World Weather Attribution. (This post has been updated with new information and was originally published on May 19, 2023.)
