Reply to post: Re: I suspect this is most useful as PR

Rolls-Royce, EasyJet fire up first hydrogen-fueled jet engine

M.V. Lipvig Silver badge
Alien

Re: I suspect this is most useful as PR

Yup, plants thive the most at 1200ppm, or 0.12 percent CO2. Greenhouses will even buy CO2 bottles to increase the amount of CO2 inside the greenhouse to encourage healthier plants. Our atmosphere's current 400ppm, or 0.04 percent CO2, is close to the equivalent of suffocation for plant life. Think someone put a plastic bowl over your head, sealed to your neck, then put a 1 inch diameter hole in front of your mouth. Barely enough fresh air to survive. 150ppm, or 0.015 percent CO2, is where plant death occurs. When the plants die, Earth becomes a barren rock with nothing alive on it, not even in the ocean. Or, when someone tapes the hole shut

CO2 and temp doesn't even have that much of a relationship anyway. Venus is only about 700 degrees hotter than Earth, but has a 97 percent CO2 atmosphere as opposed to Earth's 0.04 percent, is 93 Bar as opposed to Earth's 1 Bar atmosphere, and it's 67.2MM miles from the Sun instead of 93MM miles away. Solar irradiance is 2601.3 watts per square meter as opposed to Earth's 1361.0 watts per square meter, or almost twice as much energy. That the AGW alarmists converted to PPM from percent says a lot, because they wanted it to be more alarming than it is. 400 parts per million sounds scary to the low intelligence group as it has hundreds and millions, but even they understand that 0.04 percent is nothing.

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