The Great war

“Identify and present evidence for three natural mechanisms of climate change, any of which might have caused all or part of the long-term global warming trend observed since the late 19th century”.

It is often assumed that the main reasons for an increase in global temperatures since the 19th century are due to the impact of man. However further scientific research has proven that this is not always the case and we often under-estimate the power of many natural processes.

1. Sun Activity.
The sun is the main factor that increases or decreases global temperatures, as its’ output and distance from the earth changes. Sunspots occur on the surface of the sun over an eleven year cycle, when the su...