Well some people believe the universe was created in 7 days, that the earth is flat and that fairies live at the bottom of their garden. Howwever, how many of them actually understand the science involved in climate change. The flat that the planet's average temperature has increased significantly over the last 100 years, when compared to usual trends over millennia is cause for concern. So when an environmental problem becomes a threat to human health and life, yeah, I would call that a political problem as well.
However the good news is for the 21st century flat earthers the climate deniers, it won't be you who suffer the consequences it will be your grandchildren and they will read what you wrote online and say f**k you.