Double-hazard zones (IMAGE) Stanford University Caption In 18 zones of the U.S. West, plant water sensitivity is high (>1.5), and the vapor pressure deficit is rising faster than average. Because both factors increase fire hazards, the overlaps are likely to amplify the effect of climate change on burned areas. Credit Adapted from Rao et al, 2021, Nature Ecology and Evolution Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.