Hotter leads to lower exam , according to a new from Harvard University, the University of California and Georgia State University. What's more, hot weather may reduce in both the short term and long . Researchers reported that hot weather on test days and higher than temperatures throughout the school year resulted in grades. The study is the first major research into the of heat on students in the USA. Researchers analyzed test scores from 10 million American students were impacted by the weather. Their showed that an average temperature increase of just 0.55ºC over one year resulted in a one per cent decrease in learning.
The research is in a called "Heat and Learning" and was published last by the USA's National Bureau of Economic Research. One of the more concerning contained in the study is that global warming may affect learning and the income-earning of students around the world. The researchers predicted that if temperatures continued to , the average American student could lose $25,000 in income over their because of lower exam results. Using air in classrooms could circumvent this. The researchers also found that weather was, "particularly damaging...for low income and students" across the USA.