Climate change has been a big button issue in recent years as more and more people have become aware of its negative effects. In fact, because of the burning of fossil fuels, the emission of carbon dioxide has increased about 40 percent since pre-industrial times, according to Ohio Energy. With this concern and changing environmental issues come a plethora of films that reflect our natural world’s burdens. Films have been warning us of impending ecological disaster for years. Whether it’s our own hubris coming to get us or the Earth fighting back, here are five of the most terrifying eco-horror-themed films.