Vijay Jayaraj writes at Cornwallis Alliance: "Real climate-change deniers should be called out. They are as dangerous as climate-change alarmists, who impede scientific advancement and lead the masses into believing extreme theories using scare tactics. Both climate-change deniers and climate-change alarmists are wrong on their claims about the implications of this [Northern Hemisphere] winter and how they interpret the behaviour of the earth's climatic system over the past 2000 years. Here are four reasons why:"