I’m not a climate change activist; I’m an agricultural scientist. And I don’t necessarily favor taking drastic and costly unilateral action to reduce US carbon emissions. But Dr. Jane Orient is wrong in claiming that reducing CO2 in the atmosphere would eliminate plant life on earth. Even if we could reduce CO2 to pre-industrial levels, why would that destroy plants? Plants thrived on earth long before CO2 levels began to rise. And I don’t believe Dr. Orient is on sound footing to say that agricultural productivity has increased because of rising CO2 in the atmosphere. Rather, yield increases are generally credited to advances in agricultural technology, especially improved varieties and improved agricultural practices such as fertilizers, irrigation, crop protection against weeds and insects, etc.
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I’m not a climate change activist; I’m an agricultural scientist. And I don’t necessarily favor taking drastic and costly unilateral action to reduce US carbon emissions. But Dr. Jane Orient is wrong in claiming that reducing CO2 in the atmosphere would eliminate plant life on earth. Even if we could reduce CO2 to pre-industrial levels, why would that destroy plants? Plants thrived on earth long before CO2 levels began to rise. And I don’t believe Dr. Orient is on sound footing to say that agricultural productivity has increased because of rising CO2 in the atmosphere. Rather, yield increases are generally credited to advances in agricultural technology, especially improved varieties and improved agricultural practices such as fertilizers, irrigation, crop protection against weeds and insects, etc.