Growing a dinosaur’s dinner

Scientists have measured the nutritional value of herbivore dinosaurs’ diet by growing their food in atmospheric conditions similar to those found roughly 150 million years ago. Previously, many scientists believed that plants grown in an atmosphere with high carbon dioxide levels had low nutritional value. But a new experimental approach led by Dr. Fiona Gill 

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Climate Change, Fossil Fuels, and Human Well Being

By Marlo Lewis Climate campaigners demand ever-greater government control over energy markets, resources, and infrastructure. Many believe the best thing governments can do with fossil energy is “keep it in the ground.” They claim fossil-fueled civilization is “unsustainable” and headed for a climate catastrophe. Are they correct? Prediction is difficult—especially about the future! Nonetheless, an 

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The Scientific Literature Squelches Climate Alarm: Warming REDUCES Extreme Weather Event Frequency, Intensity

By Kenneth Richard Since 2015, at least 18 papers have been published suggesting the frequency and intensity of extreme weather events — droughts, floods, and storms — have either been reduced or no detectable trend is indicated for recent decades.  This directly contradicts the claim that the frequency and intensity of extreme weather events will 

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WINNING: Arizona Appellate Court decides Hockey Stick emails must be released

Press Release from FME Law July 3, 2018 Original “hockey stick” temperature graph in Nature, 1998. The Y axis shows the Northern hemisphere mean temperature, in degrees Celsius; the zero line corresponds to the 1902 – 1980 mean. Credit: “Global-scale Temperature Patterns and Climate Forcing over the Past Six Centuries,” by Michael E. Mann et 

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The (Non) Effect of Elevated Atmospheric CO2 on Human Cognitive Performance and Decision Making

Paper Reviewed Rodeheffer, C.D., Chabal, S., Clarke, J.M. and Fothergill, D.M. 2018. Acute exposure to low-to-moderate carbon dioxide levels and submariner decision making. Aerospace Medicine and Human Performance 89: 520-525. From time to time, concerns emerge in the global warming debate that rising atmospheric CO2 is directly harming human health and/or impairing cognitive performance. In 

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The Hansen forecasts 30 years later

by Ross McKitrick and John Christy Note: this is a revised version to correct the statement about CFCs and methane in Scenario B. How accurate were James Hansen’s 1988 testimony and subsequent JGR article forecasts of global warming? According to a laudatory article by AP’s Seth Borenstein, they “pretty much” came true, with other scientists claiming their 

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