As climate changes, are we seeing fewer major hurricanes? Or are major hurricanes making landfall as often as ever? It all depends on how you define "major" - and a new paper argues that classifications based on sustained windspeed alone don't do justice to the power of hurricanes like Sandy, which left $88 billion in her wake. With collaborators from Princeton University and Florida State University, Dr. Mark Guishard of the BIOS Risk Prediction Initiative analyzed storm pressure and other metrics to classify hurricanes. Read more at TheGuardian.com