The phrase "alarmist predictions" means making extreme or exaggerated statements about something bad that might happen in the future, which may cause unnecessary fear or panic. Full definition
Governments, ours and many others, pay billions of dollars every year to climate scientists who come up with alarmist predictions. (steynonline.com)
Yet he never, and no one has yet, presented ANY evidence that such alarmist predictions will come true. (desmogblog.com)
«Amazonian Tropical Forests Achieve Accelerated Growth Contrary To Climate Alarmist Predictions Main Reasearch Finds That Roman Warm Period Was Signifcantly Warmer Than Present, Pre-Human CO2» (c3headlines.com)