The phrase "doom mongers" refers to people who constantly spread negative or pessimistic thoughts, predictions, or feelings of doom and gloom about the future. Full definition
But when doom mongers including our president tell me that we MUST act now (after 12 billion years) or it will be too late. (globalclimatescam.com)
I'd think that the chronic doom monger Steven Schneider's reputation would take another blow, but I'm not holding my breath. (climate-skeptic.com)
The famed physicist and doom monger also fears that «evolution has inbuilt greed and aggression to the human genome», meaning that we might wipe ourselves out before Earth turns into Venus. (climatedepot.com)