The answer is... Yes. 10,000 years ago there was ice a mile thick that extended as far south as St. Louis. The earth has been warming since then. So the real question is, why has it warmed? Why did it cool? Why will it cool again? Hint, it has never been caused by humans.
OK!! Everybody pay attention!
Lesson for today:
1. The sun is 1,300,000 times as big as the earth.
2. The sun is a ball of fire that controls the climates of all its planets.
3. The earth is one of the suns planets.
4. The earth is a speck in comparison to the size of the sun.
5. Inhabitants of the earth are less than specks.
Study Question: How do less-than-specks in congress plan to control the sun?