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Old 06-20-2023, 05:20 PM   #1173 (permalink)
freebeard
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[2 minute delta to redpoint5]

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Maybe you guys should hold a climate catastrophe contrarian conference. You could call it COPout23.
Else we could call it ' The climate change movement: July 28, 1995 to August 14, 2020 RIP'.

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What on Earth?
It's upthread somewheres.

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https://www.agrowtronics.com › how-much-co₂-do-plants-need
How Much CO₂ Do Plants Need? - AGrowTronics - IIoT For Growing
The maximum CO₂ (saturation point) for most plants falls between 1,000 to 1,300 ppm. Here's a quick look at the average, minimum, and maximum CO₂ levels for most plants: Minimum for survival: 150 ppm Threshold for stunted growth: 200 ppm Typical ambient CO₂: 410 ppm Ranges for growth enhancement: 1,000 to 1,500 ppm
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https://earth.org › data_visualization › a-brief-history-of-co2
A Graphical History of Atmospheric CO2 Levels Over Time
As a point of reference, pre-industrial CO2 levels were around 280 parts per million (ppm) and today, we stand near 420 ppm. Become a Citizen of Earth and start taking action to fight this climate crisis If you act you will feel hopeful JOIN THE MOVEMENT TODAY
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It seems that the contrarians are the religious ones.
Just like not collecting stamps is a hobby.
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