Watch VoirFilms. Over the past century, consumption of carbon dioxide-emitting fossil fuels (coal, oil and natural gas) has risen to staggering levels, especially in the United States, where five percent of the world's population is responsible for 25 percent of the world's carbon dioxide emissions. TOO HOT NOT TO HANDLE offers a wealth of chilling evidence that the greenhouse effect is intensifying and the Earth is warming faster than at any other time in human history.