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The Trump Administration has raised a number of questions regarding the US and global efforts to limit climate change. Each of these questions must be addressed calmly, carefully, and comprehensively. The Administration must be extremely ...

The Trump Administration has released “America First, A Budget Blueprint to Make America Great Again”. The blueprint is long on direction and short on details. The implications of this document for climate change are significant...

EPA Administrator Scott Pruitt has signed an order rescinding the Clean Power Plan. This action will trigger an Advanced Notice of Proposed Rulemaking regarding potential future emissions reductions and reduction strategies. This action ...

The year 2017 was a good year regarding climate change in the US, at least from the perspective of this skeptic. The US inaugurated a President with a healthy skepticism regarding CAGW (catastrophic anthropogenic global warming) and climate...

President Trump’s Presidential Executive Order on Promoting Energy Independence and Economic Growth instructs the EPA Administrator to “review and, if appropriate, as soon as practicable, take lawful action to suspend, revise, ...

The Clean Air Act (CAA) became law in 1970. It was later amended in 1970 and 1990. Congress considered including CO2 emissions under the Act but elected not to do so both during debate on the Act and during debates on the amendments.

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Previous commentaries (Government Responsibility, Renewables Responsibility and Grid Responsibility) dealt with the government, renewables industry and grid operator perceptions of their responsibilities regarding the proposed energy ...

First they came for the socialists, and I did not speak out—because I was not a socialist.

Then they came for the trade unionists, and I did not speak out— because I was not a trade unionist.

Then they came for the Jews, and I...

Prior to the US election in November 2016 the UNFCCC, the IPCC, the signatories to the Paris Accords and numerous environmental NGOs were quietly confident that the expected future Clinton Administration would continue the environmental ...

Several commentators have identified rescission or substantial revision of the 2009 EPA Endangerment Finding regarding CO2 and other “greenhouse gases” as the key to achieving the Trump Administration’s environmental ...

Much has been written regarding the effects of the “energy transition” on energy cost, availability, reliability and the structure and operation of the electric grid. Those are all important issues. All are fraught with degrees ...

There is growing interest in a very public “Red Team / Blue Team” evaluation of the current state of climate science. The EPA Administrator has recently suggested that climate scientists participate in a televised debate ...

The general reaction of the consensed climate science community, the environmentalist community, the progressive political class, and the “mainstream” media to the Trump Presidential Executive Order on Promoting Energy ...

On the Existence of a “Tropical Hot Spot “

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The Validity of EPA’s CO2 Endangerment Finding

Abridged Research Report

Dr. James P. Wallace III

Dr. John R. Christy

Dr. Joseph S. D’...

US EPA has revised its rules regarding the use of “secret science” in its rulemaking processes. The revised rule now gives preference to scientific studies for which underlying data and models are available in sufficient detail ...

Much has been written recently both in support of and in opposition to US EPA’s proposed secret science rule, which would require significant regulatory policy decisions to be based on publicly available data. Most of the support has ...

The resignation of EPA Administrator Scott Pruitt and the appointment of Acting Administrator Andrew Wheeler presents an opportunity to review what has been accomplished at EPA and what challenges remain to be addressed.

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In a discussion on a recent comment thread, one commenter stated that “EPA had the evidence” when it issued its 2009 Endangerment Finding regarding CO2 and other “greenhouse gases”. Now, eight years later, the ...

The primary weapon in the US Administration’s crusade to save the world from anthropogenic global warming (climate change) is the US EPA Clean Power Plan, which sets CO2 emissions limits for coal-fired electric generators which ...