Ok, past 4M years of CO2 concentration in the atmosphere. In their literature, "more CO2 = more global warming", an urban legend formulation. Here's why, just a few paleo-climate data.
(1) Global temp 4,000 years ago.
(4) Global temp. some 4.5 B years,
See the warming-cooling-warming-cooling for thousand,
millions years ago? When there was not even a single car, not a single bicycle,
not a single coal or diesel power plant.
Someone commented that for "clarity and understanding", posted this US EPA CC data, https://www3.epa.gov/.../indi.../ghg/ghg-concentrations.html
Not "clarity and understanding" when people and governments always equate that "more CO2 = more warming". Instead, there is misclarity and misunderstanding, as shown by the 4 paleo-climate data above, just some of the many data that are publicly available.
CO2 levels go up and down too, part of the natural carbon cycle -- like hydrologic cycle, day-night cycle, wet-dry cycle, winter-spring-summer-fall cycle, El Nino-La Nina cycle, and the overall warming-cooling climate cycle.
CO2 levels go up and down too, part of the natural carbon cycle -- like hydrologic cycle, day-night cycle, wet-dry cycle, winter-spring-summer-fall cycle, El Nino-La Nina cycle, and the overall warming-cooling climate cycle.
So saying "more CO2 = more warming" is an urban
legend. The 4 paleo-climate data/charts show that global warming has
precedents, lots of precedents, it is not "unprecedented", even when
human emission of CO2 was at low levels. There was global warming in the past
when there was not even a single car or a single bicycle in the planet.
Mababaw sa climate data ang climate alarmism movement, that is why there is more alarmism and worryism injected heavily in public discourse, not real hard data. And the UN, many national governments applaud a lot that they have one huge reason to keep expanding the size of government and its multi-level, thick bureaucracies -- they are the "planet saviours." hehehe, bad joke.
See also:
Climate Tricks 50, Letter to the US HOR Committee on Science, Space and Technology, January 30, 2016
Climate Tricks 51, The CCC, Greenpeace and fossil fuels, February 01, 2016
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