What is the cause of long-term climate change?

During the Quaternary period how long has climate change been happening?

How is the output of the sun measured?

What are sunspots?

Since 1978, how have satellites measured sunspots?

Solar output has barely changed in the last 50 years. What does tend to prove?

What causes changes to the distribution of the Sun’s energy?

What shape is the Earth’s orbit?

How often does the Earth’s orbit change shape?

What happens to the Earth’s climate the closer it gets to the Sun?

What causes the Earth’s axis to tilt?

The Earth is not a perfect sphere and thus wobbles on its axis. Over what period of time does this happen?

Approximately when is the next ice age due?

What is carbon dioxide?

Do the Earth’s orbital changes affect climate change?

Does volcanic activity cause climate change?

What effect do volcanic (sulphate) aerosols have upon sunlight.

What is the current tilt of the Earth away from vertical?

What term describes the Earth’s natural wobble?

How long is a sunspot cycle?

With regards to volcanic activity. What is the cooling of the lower atmosphere and reduction of surface temperatures called?

How many cycles are there in the Milankovitch cycles?

What term is used to describe the path of the Earth as it orbits the Sun?

In 1815, a volcanic explosion of Mount Tambora in Indonesia, caused the average global temperature to fall. By how much?

What happens to the Earth’s temperature when sunspot activity is at a minimum?