A new study published in the peer-reviewed journal Environmental Economics and Policy Studies reports the social benefits of carbon dioxide emissions are likely to exceed costs for at least the next 30 years. The finding demonstrates the ridiculousness of alarmists claiming a climate crisis gives us only 10 years—or whatever small amount of time is in vogue on this particular day—to save the planet.
Central to the study is recognition of the highly beneficial effects of rising atmospheric carbon dioxide on agriculture. As Lewis states, “Over the next three decades, the agricultural benefits of rising carbon dioxide concentrations and longer growing seasons are projected to exceed the monetary costs of global warming-related economic damages.”
Lewis adds that the underappreciated issue in social cost of carbon (SCC) modeling is the carbon dioxide fertilization effect. “Plants use the carbon in CO2 to construct their tissues. Decades of laboratory and field studies demonstrate that elevated carbon dioxide levels help most plants, including food crops, grow larger, faster, and utilize water more efficiently.”
Lewis cites climate researcher Craig Idso, who estimated “rising CO2 concentrations boosted global crop production by $3.2 trillion during 1961–2011.” Trillions of additional dollars in additional benefits from fossil fuels will be added over the next three decades.
These findings contradict calculations and estimates from federal bureaucrats left over from the Obama administration, who assume there is no carbon dioxide fertilization effect for plant life. That is one of many minefields President Barack Obama left buried deep in his bureaucracy, often referred to today as “the deep state.”
“We explore the implications of recent empirical findings about CO2 fertilization and climate sensitivity on the social cost of carbon (SCC). ... New compilations of satellite and experimental evidence suggest larger agricultural productivity gains due to CO2 growth are being experienced than are reflected in [parameterizations]. We also discuss recent studies applying empirical constraints to the probability distribution of equilibrium climate sensitivity and we argue that previous ... integrated assessment models (IAMs) have not adequately reflected the findings of this literature. ... The lower bound of the social cost of carbon is likely negative and the upper bound is much lower than previously claimed, at least through the mid-21st century.”In other words, previous SCC models overstated speculative harms while ignoring demonstrated benefits of more atmospheric carbon dioxide. Getting the inputs right reveals that more atmospheric carbon dioxide and related modest warming present an existential benefit, not an existential crisis.