Stuff You Aren’t Allowed to Know: Global Greening
The next topic in the Alimonti article that your intellectual superiors have decreed you are not supposed to learn about is the riotous growth of trees, plants, grasses and all the other inhabitants of the Earth for whom rising CO2 levels are nutritious food, not poisonous “pollution”.
The authors summarize several independent studies that have used changes in atmospheric chemistry and satellite imagery, all of which conclude that the world is getting greener. Even deserts are starting to green up. And rising CO2 is behind it, at least in part, though agricultural practices have also improved. The combination means rising food production per hectare, and the authors point to evidence that a return to pre-industrial CO2 levels would entail an 18 percent drop in global agricultural productivity. We’re willing to go way out on a limb here and say such a drop would be a bad thing due to the mass starvation facing poor nations if humans overall grew a fifth less food.
The authors acknowledge that rising CO2 and the general greening effect is a complex issue, and without adaptation it is not always beneficial. For example, they cite a study that showed that more rapid plant growth in the early spring can lead to drier soils in the summer. So farmers need to adapt practises accordingly. But we know they are good at adapting and increasing productivity for the simple reason that agricultural productivity has been rising for decades. And millennia, we might add. But especially recently. The authors present the output per hectare record for maize, rice, soybean and wheat since 1961, which taken together provide 64 percent of the world’s caloric intake.
These are remarkable growth rates ranging from 2.4 to 3.8 percent per year, which translates into food growth outstripping population growth. The authors also point out that variations in extreme weather events have not had any effect on agricultural productivity growth. In sum, rising CO2 has contributed to overall global greening and improved agricultural productivity. Which is one reason why alarmists remain so silent on the subject.
Source: CDN
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nils-ola Holtze
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There are also several negative feedback systems. More CO2 means more phytoplankton like Coccolithophores that produces large amounts of oxygen and surrounds themselves with a calcium carbonate shell that eventually sinks to the bottom to form limestone.
More CO2 means more bacteria as pseudomonas that can seed clouds and via its ice nucleation activity helps with precipitation. More clouds mean higher albedo and thus lower temperature. Trees and plankton also release cloud seeding chemicals.
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