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100,000 year cycle Upgrade
BC-theories, hypothesis as well as personal conclusions:Volcano’s – Volcanic Explosion Index – VEI7 and above
542-251.5 Mil BC – Paleozoic Era
542-488.3 Mil BC – Cambrian Period542 Mil BC - Impact – Bangui magnetic anomaly, Central African Republic (600-800km) (discredited but still on unconfirmed list)
488.3-443.7 Mil BC – Ordovician Period460-430 Mil BC - Impact – Ishim impact structure, Akmola region, Kazakhstan (300km) (unconfirmed)
443.7-416 Mil BC – Silurian Period420-360 Mil BC - Climate – The Earth was hot. CO2 was around 3000 ppm and temperatures around 25°C.
416-359.2 Mil BC – Devonian Period374 Mil BC - Extinction & Climate – Global cooling with CO2 around 1500 ppm while surface temperatures dropped to 17°C. 70% of marine species gets extinct.
359.2-299 Mil BC – Carboniferous Period350-260 Mil BC - Climate – The Karoo Ice-age had extensive glaciations.
299-251.5 Mil BC – Permian Period
251.5-65.5 Mil BC – Mesozoic Era
251.5-199.6 Mil BC – Triassic Period
The Triassic was a Hot House world, with no landmasses in Polar Regions250 Mil BC - Impact – Bedout, offshore of Western Australia (250km) (unconfirmed)
199.6-145.5 Mil BC – Jurassic Period199.6-145.5 Mil BC - Climate – In the early Jurassic, Earth was warm with no polar ice where 20,000 year climate cycles can be observed.
145.5-65.5 Mil BC – Cretaceous Period138-128 Mil BC - Volcanism – The formation of the Paraná and Etendeka traps in Brazil and Namibia/Angola.
65.5 Mil BC-Today – Cenozoic Era
65.5-23.03 Mil BC – Paleocene Period62 Mil BC - Volcanism – Baffin Island in Canada and Western Greenland.
23.03-2.58 Mil BC - Tertiary Period23.03-5.3 Mil BC - Plate-tectonics – The African-Arabian plate joined to Asia.
2.58-Today – Quaternary Period2.15 Mil BC - Climate – The First intense ice age of our current Quaternary Period starts.
The Global Warming/Money CultHumans are estimated to contribute between 5-20% of the total CO2 in the atmosphere. Currently we reached the 400 (ppm) parts per million which is 0.04%. There are more that enough opinions and discussions about a 35+% (140ppm over 300 years) increased in the total of 0.04%, causing the current run-away temperatures and political motivated scientific fiasco. Carbon dioxide is also naturally exchanged between the atmosphere and life through the processes of photosynthesis and respiration.
originally posted by: Astrocyte
A realistic person will come to recognize that the Earths biosphere is not exactly guaranteed to survive anthropogenic warming; and a sane person would recognize that civilization - knowledge, science, human wellbeing - is worth saving, because we've come too far at a sheer material level of development to allow ourselves to throw it all away.