Fears of Freezing: The 1970s are calling; They want their climate policies back

August 26, 2014 12:13 pm3 comments
Headline from The Melbourne, Feb. 18, 1979.

A top economic advisor to the Australian Government recently suggested in an op-ed published by the national daily The Australian that one scenario we should be prepared for is global cooling due to a possible change in solar activity. Certain reports in the U.S. media have also suggested cooling may already be upon us because […]

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What Is Business As Usual?

August 20, 2014 5:15 pm0 comments
Dr. John Nielsen-Gammon

This post examines the scenarios and pathways used over the years by the Intergovernmental Panel on Climate Change (IPCC) to represent possible future emissions, atmospheric concentrations, and temperature changes. In particular, it seeks to determine which, if any, of the current Representative Concentration Pathways (RCPs) can be regarded as “business […]

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Global Climate Change Impact on the Upper Texas Coast

April 7, 2014 3:50 pm6 comments
Surfside Beach, Texas (6/8/2014) by Tony Kamel. Used courtesy of creator. All rights reserved.

Very few scientists still question global warming and the role humans have had in the process, while outside the science community it is largely viewed as a prediction. The reality is that climate change and associated accelerated sea-level rise are not predictions. Tide gauge records are supported by satellite data […]

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Tail Risk vs. Alarmism

March 31, 2014 7:46 pm6 comments
Tail Risk vs. Alarmism

The American Association for the Advancement of Science just published a statement on climate risk (link) on which I am a co-author. This statement has several aims, one of which is to highlight the importance of societal risk in the low-probability tail of the climate change probability distribution. I would […]

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Do we understand the atmosphere enough to identify problems and solve them? Heck yes, we are two-for-two!

March 10, 2014 2:50 pm2 comments
Do we understand the atmosphere enough to identify problems and solve them? Heck yes, we are two-for-two!

Whenever I am asked the question of how well we understand the atmosphere that is being changed by the addition of carbon dioxide and other greenhouse gases, I often find it useful to look at the scientific history of two other recent atmospheric pollution challenges: acid rain and stratospheric ozone […]

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