A recent rigorous analysis was published, creating discussion among those concerned with global warming/climate change science.  The paper is World Atmospheric CO2, Its 14C Specific Activity, Non-fossil Component, Anthropogenic Fossil Component, and Emissions (1750–2018) by Kenneth Skrable, George Chabot, and Clayton French at University of Massachusetts Lowell. The analysis employs ratios of carbon isotopes to … Continue reading On CO2 Sources and Isotopes