Lukewarmers are trying to make climate science denial more acceptable and mainstreamIt’s the hottest trend in climate denial. Long gone are the days when people can publicly deny that the planet is warming or that humans are responsible without facing widespread mockery. Those who oppose taking serious action to curb global warming have mostly shifted to Stage 3 in the 5 stages of climate denial.The concern about inaction comes from concern about passing the 2°C ‘danger’ threshold, possibly by mid-century.