Throughout the annals of time there have been many species on the earth. Despite this, many have already gone by the wayside. In fact, 99% of all the species who have ever lived are extinct. A British scientist named Brandon Carter created a theory in 1983 that uses statistics to gauge when we might become extinct ourselves. Thanks to technology and other advancements, the human race is doing more now to damage itself and the environment around it than ever before. Some believe that the human race could be the next race that is extinct from the earth. Here are some possible ways how it could happen.