1.2 Natural Causes of Climate Change

Question 1

What are the four different natural factors that have caused world climates to change over the last 400,000 years?

Answer 1

Milankovitch cycles
Asteroid activity
Volcanic activity
Solar output variation

Question 2

Orbit, Tilt and Wobble - what are these and why do they cause variations?

Answer 2

Orbit- the path of earths orbit changes from an almost perfect circle to an oval