Climate Change is Not Caused by Carbon Emissions Lesson 4

According to standard paleoclimatology, Earth's temperature has been 14 degrees hotter and 6 degrees colder than it is today. Even during the Ice Age, the temperature was 3 degrees hotter at times. Are we having a "climate emergency", or are we bouncing back to "normal" after an Ice Age? What is the "normal" temperature of the Earth?