Yes but No! Doesn't Global Warming Help Plants?

Yes, but No! Doesn't Global Warming Help Plants?
by Moses Seenarine, 11/17/17

Global Warming deniers claim that natural negative feedback absorbs excess CO2. While this is true, this weathering process takes hundreds of thousands of years. In the ancient past, excess CO2 came mostly from volcanoes that released very little compared to what humans do now. The excess GHG was removed from the atmosphere through the weathering of mountains, which takes in CO2. 

Modern humans are releasing CO2 into the atmosphere 14,000 times faster than nature has over the past 600,000 years, far too quickly for natural negative feedbacks to respond. The system is now entirely out of equilibrium and it will take a long time to become balanced again. Oddly, despite evidence to the contrary, deniers argue that negative feedbacks dominate the climate. But the spiral in natural disasters and spread of extreme weather events suggests just the opposite, that amplifying positive feedbacks are dominating.

'Skeptics' maintain that warming is not necessarily bad and a small amount of warming is a good thing. On the contrary, one-degree warming is already causing a lot of problems, as the IPCC AR5 report on climate impacts documents. To boot, business-as-usual GHG outflows could bring forth a 3°C to 5°C (5.4 - 9°F) rise fairly quickly. 

Another common contrarian argument is that CO2 is not bad since it is necessary for life on Earth, and accounts for only 4 parts in 10,000 of the atmosphere. Carbon dioxide is not a dangerous gas, but it is a pollutant since too much causes climate shifts. The whole lifecycle of the gas has to be taken into account, not just the limited function it serves for plants. And it causes ocean acidification, which is another huge problem. 

Deniers assert that climate theory is contradictory and cannot be supported by both floods and droughts, or too much snow and too little snow. But these events are part of the natural process of climate adjustment. Moreover, these variations can be explained by climate science. 

Higher temperatures augment evaporation, exacerbating droughts and adding larger amounts of moisture to the air for stronger storms. And, the warming is happening to a greater extent at higher latitudes. This phenomenon reduces the temperature difference between higher and lower latitudes, which slows down storms and dumps extra precipitation in localized areas. Correspondingly, it causes greater snow and flooding in these areas, and less snow and drought outside of them. 

Excerpt from "Meat Climate Change: The 2nd Leading Cause of Global Warming," by Dr. Moses Seenarine.

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