Today: 22.Sep.2020

Gerald Marsh - According to the 2007 IPCC Summary for Policymakers, essentially all of the anthropogenic radiative forcing since 1750 is due to the increase in carbon dioxide concentration. This means that if the sun is responsible for 36-50% of the temperature rise since 1900, the IPCC is using too large a value for its coefficient relating radiative forcing to changes in carbon dioxide concentration. This is important because a smaller value of α reduces the sensitivity of the earth’s climate to increases in carbon dioxide concentrations—a result that has significant policy implications.

Gerald Marsh - The purpose of this critique is to help the reader determine whether our understanding of the earth’s climate is adequate to predict the long-term effects of carbon dioxide emissions from the continued burning of fossil fuels, to permit informed public policy decisions.

Climate Change 2001: The Scientific Basis, the Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change, the volume is remarkable for many reasons, not least of which is that it has essentially eliminated the Medieval Warm Period of the 11th to 14th centuries and the Little Ice age of the 17th to 19th centuries.

James Hansen - "By failing to take action against global warming, the federal government has violated its legal obligation to protect the atmosphere as a resource that belongs to everyone."

"Five of the plaintiffs are teenagers, who have a "profound interest in ensuring our climate remains stable enough to ensure their right to a livable future." Does the "right" of these few teenagers in the First World take preference over the "rights" of billions of children, teenagers and parents in the Second and Third Worlds to plentiful energy from fossil fuels? These teenagers, their parents and grandparents have benefited tremendously from their ample use of fossil fuels for the last century and more. Is the science "settled" and the scientific community certain that continued use of fossil fuels is going to bring life on Earth to its knees? Should nuclear energy be supported by insisting that billions of people forego the use of fossil fuels and resort to cooking and heating fires from brush, twigs and dried dung?

Published in USA

James Hansen - We conclude that Earth in the warmest interglacial periods was less than 1°C warmer than in the Holocene and that goals of limiting human-made warming to 2°C and CO2 to 450 ppm are prescriptions for disaster.

Rapid reduction of fossil fuel emissions is required for humanity to succeed in preserving a planet resembling the one on which civilization developed.

Published in USA
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