Author Archives: Andy May

Climate and Civilization for the past 4,000 years

Present warming is not unusual.

Using R and JAMSTEC NetCDF Files to Examine Ocean Temperatures

We examine ocean temperatures with an R program

An Open Letter to Hillary Clinton

Dear Mrs. Hillary Rodham Clinton, I know you’re busy, so I will summarize my key points briefly. I do agree with you on most issues, but some of your positions are show stoppers for me. My entire focus in this presidential campaign is on jobs and the economy. I realize your website says you wantContinue reading “An Open Letter to Hillary Clinton”

The Exxon Climate Papers

A group of Democrat attorneys general and environmental activists are accusing ExxonMobil of lying about climate change. Is it true?

Prof. Robert Carter: Evidence for man-made climate change

Discusses and debunks ten myths about climate change.

Greenpeace Crimes and Lies

A chronicle of Greenpeace lies and crimes.

The Value of Petroleum Fuels

By Andy May It is difficult to compare 1840 to 2015, so much of what we have today didn’t exist then.  But, they had to move people and goods from place to place as we do now.  They had farms then as we do now. They used wagons pulled by horses, mules or oxen.  WeContinue reading “The Value of Petroleum Fuels”

Holocene Thermal Optimum

By Andy May The Holocene Thermal Maximum, also called the Holocene Thermal Optimum or the Holocene Climatic Optimum, occurred at different times in different parts of the world but generally between 10,000 BP and 4,000 BP.  I use BP to indicate years before 2000.   The world ocean was probably 0.7°C warmer than today 8,000 BP.Continue reading “Holocene Thermal Optimum”

Climate and Human Civilization over the last 18,000 years, updated

By Andy May This is an updated timeline of climatic events and human history for the last 18,000 years. The original timeline was posted in 2013. The updated full size (Ansi E size or 34×44 inches) Adobe Reader version 8 PDF can be downloaded here or by clicking on Figure 1. It prints pretty wellContinue reading “Climate and Human Civilization over the last 18,000 years, updated”