The ‘Fruitful’ Results of Increasing CO2
8 hours ago Guest Blogger
By Vijay Jayaraj
Among the climatically correct, nothing is more scandalous than describing carbon dioxide (CO2) emissions as beneficial. You can be blacklisted from public forums, professional networking sites, and even be removed from your tenured university position as an accomplished scientist.
Nonetheless, the truth is this: CO2 is fundamental to the photosynthetic process by which plants make food for themselves – and ultimately for us. Furthermore, the increase in atmospheric CO2 from industrial activity in the past century has helped vegetation over most of the planet to flourish. Also benefiting plants has been the relative warmth of recent decades.
Among the beneficiaries are fruit plants, whose sensitivity to cold is well established. In April 2007, an unseasonable freeze caused considerable low-temperature injury to small fruit plants, including grapes, strawberries, blueberries and blackberries, in 21 U.S. states. The financial repercussions for the agricultural sector were substantial. In North Carolina alone, farming losses were estimated to be $112 million, including $86 million in damages to fruit crops.
During the Little Ice Age (1300–1850), many of the fruit crops faced significant challenges from low temperatures, shorter growing seasons and extreme weather events like frosts, heavy rains and drought.
In Iceland and high alpine areas, agriculture nearly collapsed. In China’s Jiangxi Province, centuries-old orange cultivation was abandoned due to cold. In temperate zones, apple and pear trees struggled with erratic temperatures causing irregular blooming and lower yields.
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