Â鶹Éç

Available for over a year

Sea temperatures are increasing, making hurricanes more intense. Professor James Elsner, an expert on the influence of climate change on hurricanes at Florida State University, describes how the increasing intensity of storms like Hurricane Irma warrant adding categories beyond the highest level of category five. Credit: Nasa Earth Observatory image of three hurricanes on 6 September 2017. Captured by Visible Infrared Imaging Radiometer Suite, Credit: NASA