Global Temperatures and Biospheric Productivity

By | September 11, 2014

 

global_temp_biosphere_prod

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[Illustrations, footnotes and references available in PDF version]

Among the many climate-alarmist fears of CO2-induced global warming is the concern that the productivity of the biosphere will decline if global temperatures rise to the extent predicted by computer models. Yet, for many alarmists, the future is the present. Since 1980, for example, the Earth has weathered three of the warmest decades in the instrumental temperature record, a handful of intense and persistent El Niño events, large-scale deforestation, “unprecedented” forest fires, and the eruption of several volcanoes. Concurrently, the air’s CO2 content increased by 16%, while human population grew by 55%. So just how bad is the biosphere suffering in response to these much-feared events? Or, is it even suffering at all?