by Judith Curry
Politically-motivated manufacture of scientific consensus corrupts the scientific process and leads to poor policy decisions
An essay with excerpts from my new book Climate Uncertainty and Risk.
by Judith Curry
Politically-motivated manufacture of scientific consensus corrupts the scientific process and leads to poor policy decisions
An essay with excerpts from my new book Climate Uncertainty and Risk.
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by Balázs M. Fekete
For over three decades, the reduction of CO2 emission was the primary motivation for promoting the transition from fossil fuels to alternative energy sources. Concerns about the inevitable exhaustion of fossil fuels were considered particularly during energy crises, but these concerns died out quickly as discoveries of new fossil fuel reserves such as the shale revolution in the US that appeared to secure energy supplies.
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James Hansen’s latest paper “Global warming in the pipeline” (Hansen et al. (2023)) has already been heavily criticized in a lengthy comment by Michael Mann, author of the original IPCC ‘hockey stick’. However Mann does not deal with Hansen’s surprisingly high (4.8°C) new estimate of equilibrium climate sensitivity (ECS)[1]. This ECS estimate is 60% above Hansen’s longstanding[2] previous estimate of 3°C. It is Hansen’s new, very high ECS estimate drives, in conjunction with various questionable subsidiary assumptions, his paper’s dire predictions of high global warming and its more extreme concluding policy recommendations, such as ‘solar radiation management’ geoengineering.
by Javier Vinos
This post features a chapter from my new book Solving the Climate Puzzle: The Sun’s Surprising Role. The book provides a large body of evidence supporting that changes in the poleward transport of heat are one of the main ways in which the planet’s climate changes naturally. It also shows that changes in solar activity affect this transport, restoring the Sun as a major cause of global warming. Since climate models do not properly represent heat transport and the IPCC reports completely neglect this process, this new hypothesis will not be easily dismissed. I am sure that over time it will lead to a better understanding of how the climate changes naturally, and hopefully less climate hysteria.
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