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We have all heard what too much CO2 can lead to, but so far the biosphere have never been exposed to too low levels of CO2. But what if it did? And please, this topic has nothing to do with the ongoing discussion about global warming. We are talking about the last ice age and a hypothetical scenario where the terrestrial flora and fauna would have suffered because of too little CO2.The climate change crazy train is gathering speed:
Apparently the agricultural revolution happened 11,000 year ago all over the world because of increased levels. Pre-industrial levels are said to have been 280 ppm.
Aerobic plants have three types of photosynthesis. C3, C4 and CAM. The original and most common type is C3. C4 and CAM have evolved to deal better with heat, drought and lower levels of CO2. C4 is a little better than CAM in that regard.
Some quotes found on the net:"Studies have shown that the average biomass production of modern C3 plants is reduced by approximately 50% when grown at low (180-220 ppm) CO2, when other conditions are optimal ... (The abortion of all flower buds) suggested that 150 ppm CO2 may be near the threshold for successful completion of the life cycle in some C3 species." "Although some C3 plants like palm trees can cope with a combination of high oxygen levels and warmer, sunnier, and dryer conditions, most C3 plants can lose efficiency in productivity of up to 40% in warm, sunny, and dry conditions." (But less CO2 means more stomata, and the more stomata, the more water loss)
"About 85% of all plant species are C3. All trees, fruits, vegetables, and most food crops are C3. The only C4 food crop exceptions are maise, millet, sorghum, and sugarcane. On average, at 150ppm the primary C3 plant productivity was reduced an average 92% as measured by dry weight biomass. During glacial periods land ecosystems have much lower productivity."
A 550kg dairy cow emits roughly 320-330 grams of methane every dayThe are 11,000,000 pet dogs and 11,000,000 pet cats in the UK ... why cull 65,000 cattle when you could just liquidate 1% of pet dogs
A study found that the average methane emission from a dog was about 250 grams per day
American cats and dogs are responsible for producing about 64 million tons of methane and nitrous oxide
When a company buys a carbon credit, usually from the government, they gain permission to generate one ton of CO2 emissionsGood to know that producing CO2 with government permission, after paying a fee, has no effect on the climate
The Centre for Research on Energy and Clean Air said he has calculated an estimated potential leak of between 180 and 270 kilotons from the two pipelines. This figure is significant but, he said, is probably only 1.5 percent of the total annual methane emissions from oil and gas operations in RussiaGot to love that bit of propaganda at the end .... apparently Russia leaks 3000 years equivalent of the Irish having cattle every year ,,,, Makes sense to starve the Irish
they need to get over themselvesWe need to get over them and make it clear to them we're over them.
We need to get over them and make it clear to them we're over them.I concur. At some point, and I think it has already commenced and is gaining momentum, the most stubborn amongst the evil ones who refuse to change and continue to harm will just need to be dismissed via direct action by millions indignant.
It sounds like a slippery slope to start culling animals based on their theoretical impact on the climate.
Maybe White science can prove that brown people emit a fraction more CO2 than white people