High level clouds and surface temperature

Guest post by Erl Happ The orbit of the Earth’s around the sun is slightly eccentric. The closest point is called the perihelion. On January 4th the Earth is just…

Cloud cools

Guest post by Erl Happ This post was generated in response to the Christopher Monkton thread. It is not a criticism of Christopher Monkton but of our tendency to imagine…

Where is Science?

Guest post by Erl Happ The Southern Oscillation Index is a reference point for the strength of the Trade winds. It represents the difference in atmospheric pressure between Tahiti and…

Climate disaster, declining rainfall, rising sea levels

Guest Post by Erl Happ The subject of this post is climate change in the place where I live. The climate has changed in the last sixty years and there…

A climate change dynamic

Guest post by Erl Happ The presumption that ‘the science is settled’ is incorrect. This post aims to give readers an understanding of the dynamics of the coupled circulation of…

The character of climate change part 4

Guest post by Erl Happ This post is best read after viewing parts one, two and three that set the scene for what is described here. I noted in parts…

The character of climate change part 3

Guest post by Erl Happ Here’s a hypothetical: Let’s imagine that we have an atmosphere of two parts.  The first 10 km of the atmosphere has no greenhouse gas.  The…

The character of climate change part 2

Guest post by Erl Happ What is the utility of the globe to humanity at this particular point in the evolution of the Earths disparate climatic regimes? Has there been…

The character of climate change part 1

Guest Post by Erl Happ Figure 1 records global temperature as it runs between its minimum in January and maximum in July. Vital information is lost when we reduce the…

Earth's changing atmosphere

Guest Post by Erl Happ This article investigates the sources of natural climate variation.  This is a long post but it’s a big subject. Before you get half way through,…